PN.9A, SEC 4, HCF & LCM use ven (36)
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Question 1 of 36
1. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 33 and 77.
Use the Venn diagram provided.
33 = 3 × 11
77 = 7 × 11
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
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-
Question 2 of 36
2. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 32 and 128.
Use the Venn diagram provided.
32 = 25
128 = 27
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 3 of 36
3. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 56 and 42.
Use the Venn diagram provided.
56 = 23 × 7
42 = 2 × 3 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 4 of 36
4. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 96 and 288.
Use the Venn diagram provided.
96 = 25 × 3
288 = 25 × 32
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 5 of 36
5. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 64 and 48.
Use the Venn diagram provided.
64 = 26
48 = 24 × 3
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 6 of 36
6. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 200 and 240.
Use the Venn diagram provided.
200 = 23 × 52
240 = 24 × 3 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 7 of 36
7. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 21 and 35.
Use the Venn diagram provided.
21 = 3 × 7
35 = 5 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 8 of 36
8. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 300 and 450.
Use the Venn diagram provided.
300 = 22 × 3 × 52
450 = 2 × 32 × 52
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 9 of 36
9. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 80 and 60.
Use the Venn diagram provided.
80 = 24 × 5
60 = 22 × 3 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 10 of 36
10. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 144 and 216.
Use the Venn diagram provided.
144 = 24 × 32
216 = 23 × 33
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 11 of 36
11. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 90 and 36.
Use the Venn diagram provided.
90 = 2 × 32 × 5
36 = 22 × 32
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 12 of 36
12. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 315 and 420.
Use the Venn diagram provided.
315 = 32 × 5 × 7
420 = 22 × 3 × 5 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 13 of 36
13. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 56 and 168.
Use the Venn diagram provided.
56 = 23 × 7
168 = 23 × 3 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 14 of 36
14. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 275 and 550.
Use the Venn diagram provided.
275 = 52 × 11
550 = 2 × 52 × 11
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 15 of 36
15. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 84 and 252.
Use the Venn diagram provided.
84 = 22 × 3 × 7
252 = 22 × 32 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 16 of 36
16. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 180 and 360.
Use the Venn diagram provided.
180 = 22 × 32 × 5
360 = 23 × 32 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 17 of 36
17. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 75 and 300.
Use the Venn diagram provided.
75 = 3 × 52
300 = 22 × 3 × 52
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 18 of 36
18. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 225 and 375.
Use the Venn diagram provided.
225 = 32 × 52
375 = 3 × 53
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 19 of 36
19. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 48 and 144.
Use the Venn diagram provided.
48 = 24 × 3
144 = 24 × 32
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 20 of 36
20. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 540 and 720.
Use the Venn diagram provided.
540 = 22 × 33 × 5
720 = 24 × 32 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 21 of 36
21. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 42 and 30.
Use the Venn diagram provided.
42 = 2 × 3 × 7
30 = 2 × 3 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 22 of 36
22. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 45 and 180.
Use the Venn diagram provided.
45 = 32 × 5
180 = 22 × 32 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 23 of 36
23. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 384 and 576.
Use the Venn diagram provided.
384 = 27 × 3
576 = 26 × 32
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 24 of 36
24. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 16 and 28.
Use the Venn diagram provided.
16 = 24
30 = 22 × 7
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 25 of 36
25. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 72 and 360.
Use the Venn diagram provided.
72 = 23 × 32
360 = 23 × 32 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 26 of 36
26. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 660 and 990.
Use the Venn diagram provided.
660 = 22 × 3 × 5 × 11
990 = 2 × 32 × 5 × 11
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 27 of 36
27. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 48 and 72.
Use the Venn diagram provided.
48 = 24 × 3
72 = 23 × 32
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 28 of 36
28. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 65 and 195.
Use the Venn diagram provided.
65 = 5 × 13
195 = 3 × 5 × 13
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 29 of 36
29. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 512 and 768.
Use the Venn diagram provided.
512 = 29
768 = 28 × 3
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 30 of 36
30. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 18 and 45.
Use the Venn diagram provided.
18 = 2 × 32
45 = 32 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 31 of 36
31. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 54 and 108.
Use the Venn diagram provided.
54 = 2 × 33
108 = 22 × 33
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 32 of 36
32. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 720 and 960.
Use the Venn diagram provided.
720 = 24 × 32 × 5
960 = 26 × 3 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 33 of 36
33. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 50 and 75.
Use the Venn diagram provided.
50 = 2 × 52
75 = 3 × 52
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 34 of 36
34. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 90 and 270.
Use the Venn diagram provided.
90 = 2 × 32 × 5
270 = 2 × 33 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 35 of 36
35. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 36 and 60.
Use the Venn diagram provided.
36 = 22 × 32
60 = 22 × 3 × 5
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-
-
Question 36 of 36
36. Question
Topic: LCM & HCF Using Venn diagram.
Please have pen and paper handy to show workings out.📝
Calculate the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of 66 and 198.
Use the Venn diagram provided.
66 = 2 × 3 × 11
198 = 2 × 32 × 11
-
HCF =LCM =
⌨️ Enter your answer in the fields provided.
CorrectIncorrectHint
The HCF is found by multiplying the numbers located in the overlapping section of the Venn diagram (these are the common prime factors).
The LCM is determined by multiplying all the numbers in both circles of the Venn diagram, including the numbers in the overlapping section (both common and unique prime factors).
-