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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 59 · 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.How many factors does 21 have?
  2. 2.What is the LCM of 6 and 14?
  3. 3.How many factors does 15 have?
  4. 4.Which of these is a multiple of 4? (a) 8 (b) 18 (c) 30
  5. 5.Which of these is a prime number? (a) 40 (b) 8 (c) 5
  6. 6.How many factors does 8 have?
  7. 7.What is the LCM of 4 and 10?
  8. 8.Which of these is a factor of 30? (a) 9 (b) 14 (c) 2
  9. 9.Which of these is a multiple of 4? (a) 14 (b) 38 (c) 20
  10. 10.What is the LCM of 2 and 5?
  11. 11.Which of these is a prime number? (a) 31 (b) 25 (c) 10
  12. 12.What is the HCF of 5 and 15?
  13. 13.How many factors does 10 have?
  14. 14.What is the HCF of 18 and 24?
  15. 15.Is 9 a factor of 81? (a) Yes (b) No
  16. 16.How many factors does 28 have?
  17. 17.What is the HCF of 8 and 28?
  18. 18.Which of these is a factor of 48? (a) 39 (b) 14 (c) 4
  19. 19.Which of these is a factor of 24? (a) 21 (b) 12 (c) 16
  20. 20.Is 7 a factor of 33? (a) Yes (b) No
  21. 21.Is 6 a factor of 14? (a) Yes (b) No
  22. 22.How many factors does 12 have?
  23. 23.Which of these is a factor of 36? (a) 12 (b) 10 (c) 11
  24. 24.What is the HCF of 24 and 64?
  25. 25.Which of these is a multiple of 12? (a) 26 (b) 84 (c) 61
  26. 26.How many factors does 45 have?
  27. 27.How many factors does 20 have?
  28. 28.Which of these is a factor of 40? (a) 11 (b) 4 (c) 14
  29. 29.Which of these is a factor of 24? (a) 16 (b) 3 (c) 14
  30. 30.What is the LCM of 5 and 8?
  31. 31.Which of these is a multiple of 5? (a) 21 (b) 20 (c) 33
  32. 32.Is 3 a factor of 15? (a) Yes (b) No
  33. 33.Which of these is a prime number? (a) 7 (b) 24 (c) 30
  34. 34.Which of these is a multiple of 10? (a) 30 (b) 33 (c) 58
  35. 35.What is the LCM of 5 and 11?
  36. 36.Which of these is a factor of 24? (a) 10 (b) 13 (c) 4
  37. 37.Which of these is a multiple of 5? (a) 49 (b) 36 (c) 45
  38. 38.How many factors does 6 have?
  39. 39.Which of these is a factor of 20? (a) 19 (b) 9 (c) 4
  40. 40.What is the HCF of 9 and 54?

Answer key

  1. 4
  2. 42
  3. 4
  4. 8
  5. 5
  6. 4
  7. 20
  8. 2
  9. 20
  10. 10
  11. 31
  12. 5
  13. 4
  14. 6
  15. Yes
  16. 6
  17. 4
  18. 4
  19. 12
  20. No
  21. No
  22. 6
  23. 12
  24. 8
  25. 84
  26. 6
  27. 6
  28. 4
  29. 3
  30. 40
  31. 20
  32. Yes
  33. 7
  34. 30
  35. 55
  36. 4
  37. 45
  38. 4
  39. 4
  40. 9

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