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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 225 · 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 24 have?
  2. 2.What is the LCM of 5 and 6?
  3. 3.Which of these is a prime number? (a) 20 (b) 39 (c) 3
  4. 4.What is the LCM of 7 and 10?
  5. 5.Is 8 a factor of 96? (a) Yes (b) No
  6. 6.Which of these is a prime number? (a) 28 (b) 16 (c) 13
  7. 7.Which of these is a multiple of 11? (a) 72 (b) 109 (c) 55
  8. 8.Which of these is a factor of 36? (a) 7 (b) 9 (c) 27
  9. 9.What is the LCM of 7 and 11?
  10. 10.How many factors does 20 have?
  11. 11.What is the LCM of 10 and 12?
  12. 12.How many factors does 14 have?
  13. 13.How many factors does 48 have?
  14. 14.Which of these is a multiple of 12? (a) 65 (b) 111 (c) 84
  15. 15.How many factors does 32 have?
  16. 16.How many factors does 45 have?
  17. 17.How many factors does 18 have?
  18. 18.Is 5 a factor of 16? (a) No (b) Yes
  19. 19.Which of these is a prime number? (a) 25 (b) 8 (c) 17
  20. 20.Which of these is a prime number? (a) 50 (b) 23 (c) 33
  21. 21.How many factors does 8 have?
  22. 22.What is the LCM of 4 and 15?
  23. 23.How many factors does 30 have?
  24. 24.What is the HCF of 16 and 20?
  25. 25.Which of these is a prime number? (a) 25 (b) 8 (c) 2
  26. 26.What is the HCF of 12 and 28?
  27. 27.How many factors does 6 have?
  28. 28.What is the HCF of 8 and 40?
  29. 29.What is the HCF of 18 and 42?
  30. 30.Which of these is a multiple of 9? (a) 22 (b) 35 (c) 54
  31. 31.How many factors does 40 have?
  32. 32.What is the HCF of 56 and 63?
  33. 33.Is 8 a factor of 73? (a) No (b) Yes
  34. 34.How many factors does 28 have?
  35. 35.Which of these is a multiple of 11? (a) 33 (b) 83 (c) 35
  36. 36.What is the HCF of 18 and 45?
  37. 37.Is 2 a factor of 20? (a) Yes (b) No
  38. 38.What is the LCM of 5 and 13?
  39. 39.Which of these is a factor of 20? (a) 14 (b) 10 (c) 13
  40. 40.Which of these is a factor of 12? (a) 4 (b) 8 (c) 5

Answer key

  1. 8
  2. 30
  3. 3
  4. 70
  5. Yes
  6. 13
  7. 55
  8. 9
  9. 77
  10. 6
  11. 60
  12. 4
  13. 10
  14. 84
  15. 6
  16. 6
  17. 6
  18. No
  19. 17
  20. 23
  21. 4
  22. 60
  23. 8
  24. 4
  25. 2
  26. 4
  27. 4
  28. 8
  29. 6
  30. 54
  31. 8
  32. 7
  33. No
  34. 6
  35. 33
  36. 9
  37. Yes
  38. 65
  39. 10
  40. 4

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