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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 92 · 40 sums
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The method (List and match): Factor: divides with no remainder. Multiple: appears in the table. HCF: list the factors of both numbers; take the biggest one they share. LCM: list the multiples of the bigger number; take the first one the smaller number also divides. Prime: exactly 2 factors (2, 3, 5, 7, 11 …). 1 is not prime.

NameDateTime takenScore ___ / 40
  1. 1.Which of these is a prime number? (a) 34 (b) 5 (c) 12
  2. 2.Which of these is a prime number? (a) 15 (b) 17 (c) 18
  3. 3.Which of these is a prime number? (a) 16 (b) 46 (c) 43
  4. 4.Is 9 a factor of 96? (a) Yes (b) No
  5. 5.Is 3 a factor of 11? (a) Yes (b) No
  6. 6.Which of these is a multiple of 8? (a) 68 (b) 27 (c) 48
  7. 7.Which of these is a multiple of 6? (a) 38 (b) 58 (c) 12
  8. 8.Which of these is a prime number? (a) 22 (b) 11 (c) 38
  9. 9.Which of these is a multiple of 10? (a) 55 (b) 30 (c) 37
  10. 10.What is the LCM of 9 and 12?
  11. 11.Which of these is a factor of 12? (a) 10 (b) 11 (c) 2
  12. 12.What is the LCM of 6 and 11?
  13. 13.Which of these is a multiple of 3? (a) 25 (b) 7 (c) 24
  14. 14.Which of these is a multiple of 10? (a) 28 (b) 68 (c) 70
  15. 15.Which of these is a factor of 18? (a) 2 (b) 14 (c) 15
  16. 16.Which of these is a multiple of 4? (a) 28 (b) 39 (c) 37
  17. 17.Which of these is a prime number? (a) 41 (b) 26 (c) 10
  18. 18.What is the HCF of 18 and 42?
  19. 19.Which of these is a multiple of 5? (a) 15 (b) 39 (c) 11
  20. 20.Which of these is a multiple of 4? (a) 20 (b) 19 (c) 34
  21. 21.What is the LCM of 3 and 10?
  22. 22.Is 9 a factor of 45? (a) No (b) Yes
  23. 23.Is 2 a factor of 13? (a) Yes (b) No
  24. 24.How many factors does 18 have?
  25. 25.Which of these is a factor of 12? (a) 6 (b) 10 (c) 7
  26. 26.Which of these is a prime number? (a) 19 (b) 42 (c) 38
  27. 27.What is the HCF of 6 and 9?
  28. 28.Which of these is a factor of 20? (a) 18 (b) 9 (c) 4
  29. 29.Which of these is a factor of 18? (a) 13 (b) 14 (c) 6
  30. 30.How many factors does 21 have?
  31. 31.Which of these is a factor of 24? (a) 13 (b) 14 (c) 12
  32. 32.What is the LCM of 7 and 9?
  33. 33.Is 4 a factor of 33? (a) Yes (b) No
  34. 34.How many factors does 6 have?
  35. 35.Which of these is a factor of 60? (a) 55 (b) 21 (c) 5
  36. 36.What is the HCF of 8 and 64?
  37. 37.Which of these is a multiple of 6? (a) 13 (b) 30
  38. 38.Which of these is a factor of 12? (a) 5 (b) 9 (c) 3
  39. 39.Is 4 a factor of 42? (a) No (b) Yes
  40. 40.What is the HCF of 7 and 21?

Answer key

  1. 5
  2. 17
  3. 43
  4. No
  5. No
  6. 48
  7. 12
  8. 11
  9. 30
  10. 36
  11. 2
  12. 66
  13. 24
  14. 70
  15. 2
  16. 28
  17. 41
  18. 6
  19. 15
  20. 20
  21. 30
  22. Yes
  23. No
  24. 6
  25. 6
  26. 19
  27. 3
  28. 4
  29. 6
  30. 4
  31. 12
  32. 63
  33. No
  34. 4
  35. 5
  36. 8
  37. 30
  38. 3
  39. No
  40. 7

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