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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 80 · 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.Which of these is a multiple of 8? (a) 21 (b) 24 (c) 66
  2. 2.How many factors does 18 have?
  3. 3.How many factors does 15 have?
  4. 4.Which of these is a factor of 42? (a) 41 (b) 2 (c) 27
  5. 5.Which of these is a prime number? (a) 43 (b) 25 (c) 10
  6. 6.What is the HCF of 9 and 21?
  7. 7.Which of these is a factor of 24? (a) 4 (b) 17 (c) 9
  8. 8.Which of these is a multiple of 11? (a) 44 (b) 50 (c) 76
  9. 9.Which of these is a factor of 40? (a) 16 (b) 23 (c) 20
  10. 10.Which of these is a factor of 60? (a) 2 (b) 21 (c) 56
  11. 11.How many factors does 16 have?
  12. 12.What is the LCM of 4 and 7?
  13. 13.What is the HCF of 42 and 54?
  14. 14.Is 8 a factor of 86? (a) Yes (b) No
  15. 15.What is the LCM of 5 and 7?
  16. 16.How many factors does 8 have?
  17. 17.Is 8 a factor of 20? (a) No (b) Yes
  18. 18.Is 2 a factor of 9? (a) Yes (b) No
  19. 19.Which of these is a multiple of 8? (a) 16 (b) 20 (c) 22
  20. 20.Which of these is a multiple of 3? (a) 26 (b) 9
  21. 21.How many factors does 32 have?
  22. 22.How many factors does 14 have?
  23. 23.Which of these is a prime number? (a) 21 (b) 5 (c) 8
  24. 24.Which of these is a factor of 40? (a) 39 (b) 36 (c) 8
  25. 25.Which of these is a factor of 60? (a) 42 (b) 7 (c) 5
  26. 26.Which of these is a multiple of 10? (a) 86 (b) 78 (c) 30
  27. 27.Which of these is a multiple of 8? (a) 26 (b) 22 (c) 48
  28. 28.What is the HCF of 12 and 27?
  29. 29.How many factors does 45 have?
  30. 30.Is 7 a factor of 21? (a) No (b) Yes
  31. 31.What is the LCM of 9 and 12?
  32. 32.Is 7 a factor of 14? (a) No (b) Yes
  33. 33.Which of these is a multiple of 9? (a) 27 (b) 28 (c) 70
  34. 34.What is the LCM of 10 and 15?
  35. 35.What is the LCM of 3 and 14?
  36. 36.What is the LCM of 7 and 8?
  37. 37.Which of these is a factor of 18? (a) 5 (b) 11 (c) 2
  38. 38.Which of these is a factor of 24? (a) 23 (b) 9 (c) 3
  39. 39.Is 4 a factor of 33? (a) Yes (b) No
  40. 40.Which of these is a multiple of 4? (a) 9 (b) 16 (c) 14

Answer key

  1. 24
  2. 6
  3. 4
  4. 2
  5. 43
  6. 3
  7. 4
  8. 44
  9. 20
  10. 2
  11. 5
  12. 28
  13. 6
  14. No
  15. 35
  16. 4
  17. No
  18. No
  19. 16
  20. 9
  21. 6
  22. 4
  23. 5
  24. 8
  25. 5
  26. 30
  27. 48
  28. 3
  29. 6
  30. Yes
  31. 36
  32. Yes
  33. 27
  34. 30
  35. 42
  36. 56
  37. 2
  38. 3
  39. No
  40. 16

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