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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 162 · 40 sums
TalentJR

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.What is the LCM of 5 and 12?
  2. 2.Which of these is a prime number? (a) 4 (b) 17 (c) 12
  3. 3.Which of these is a factor of 24? (a) 12 (b) 20 (c) 18
  4. 4.Is 7 a factor of 21? (a) No (b) Yes
  5. 5.Which of these is a multiple of 7? (a) 69 (b) 25 (c) 21
  6. 6.Which of these is a factor of 60? (a) 55 (b) 6 (c) 45
  7. 7.Is 4 a factor of 41? (a) No (b) Yes
  8. 8.Is 5 a factor of 15? (a) Yes (b) No
  9. 9.What is the HCF of 40 and 64?
  10. 10.What is the LCM of 2 and 5?
  11. 11.What is the HCF of 5 and 10?
  12. 12.Which of these is a multiple of 3? (a) 6 (b) 10 (c) 25
  13. 13.Which of these is a prime number? (a) 30 (b) 2 (c) 10
  14. 14.Is 2 a factor of 16? (a) No (b) Yes
  15. 15.What is the HCF of 21 and 28?
  16. 16.Is 4 a factor of 15? (a) No (b) Yes
  17. 17.How many factors does 28 have?
  18. 18.Which of these is a factor of 40? (a) 4 (b) 7 (c) 31
  19. 19.Which of these is a multiple of 9? (a) 25 (b) 72 (c) 46
  20. 20.Which of these is a factor of 18? (a) 5 (b) 4 (c) 2
  21. 21.How many factors does 24 have?
  22. 22.Is 8 a factor of 96? (a) No (b) Yes
  23. 23.How many factors does 36 have?
  24. 24.Which of these is a factor of 48? (a) 21 (b) 45 (c) 4
  25. 25.Is 2 a factor of 24? (a) No (b) Yes
  26. 26.What is the HCF of 49 and 63?
  27. 27.What is the HCF of 8 and 12?
  28. 28.Which of these is a factor of 60? (a) 13 (b) 3 (c) 8
  29. 29.Which of these is a multiple of 6? (a) 30 (b) 13 (c) 21
  30. 30.How many factors does 8 have?
  31. 31.Which of these is a prime number? (a) 4 (b) 16 (c) 5
  32. 32.Is 6 a factor of 45? (a) No (b) Yes
  33. 33.What is the LCM of 2 and 11?
  34. 34.Which of these is a factor of 40? (a) 29 (b) 6 (c) 20
  35. 35.Which of these is a prime number? (a) 19 (b) 38 (c) 6
  36. 36.Which of these is a multiple of 10? (a) 62 (b) 80 (c) 81
  37. 37.Which of these is a multiple of 12? (a) 37 (b) 84 (c) 75
  38. 38.Which of these is a factor of 30? (a) 5 (b) 21 (c) 19
  39. 39.How many factors does 30 have?
  40. 40.How many factors does 16 have?

Answer key

  1. 60
  2. 17
  3. 12
  4. Yes
  5. 21
  6. 6
  7. No
  8. Yes
  9. 8
  10. 10
  11. 5
  12. 6
  13. 2
  14. Yes
  15. 7
  16. No
  17. 6
  18. 4
  19. 72
  20. 2
  21. 8
  22. Yes
  23. 9
  24. 4
  25. Yes
  26. 7
  27. 4
  28. 3
  29. 30
  30. 4
  31. 5
  32. No
  33. 22
  34. 20
  35. 19
  36. 80
  37. 84
  38. 5
  39. 8
  40. 5

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