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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 255 · 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 10? (a) 21 (b) 33 (c) 90
  2. 2.Which of these is a factor of 30? (a) 23 (b) 25 (c) 3
  3. 3.Which of these is a factor of 60? (a) 19 (b) 4 (c) 25
  4. 4.What is the HCF of 32 and 40?
  5. 5.What is the LCM of 12 and 15?
  6. 6.Which of these is a factor of 30? (a) 27 (b) 2 (c) 4
  7. 7.Is 8 a factor of 34? (a) Yes (b) No
  8. 8.How many factors does 36 have?
  9. 9.How many factors does 30 have?
  10. 10.Which of these is a factor of 20? (a) 18 (b) 6 (c) 2
  11. 11.What is the LCM of 10 and 14?
  12. 12.How many factors does 45 have?
  13. 13.How many factors does 42 have?
  14. 14.Which of these is a prime number? (a) 15 (b) 48 (c) 29
  15. 15.Is 3 a factor of 23? (a) Yes (b) No
  16. 16.Is 5 a factor of 23? (a) No (b) Yes
  17. 17.What is the HCF of 12 and 28?
  18. 18.Is 5 a factor of 14? (a) Yes (b) No
  19. 19.Is 2 a factor of 16? (a) Yes (b) No
  20. 20.Is 2 a factor of 9? (a) Yes (b) No
  21. 21.Which of these is a prime number? (a) 42 (b) 43 (c) 25
  22. 22.Is 4 a factor of 15? (a) No (b) Yes
  23. 23.Which of these is a prime number? (a) 42 (b) 21 (c) 2
  24. 24.Is 8 a factor of 59? (a) No (b) Yes
  25. 25.Which of these is a prime number? (a) 8 (b) 5 (c) 20
  26. 26.Which of these is a factor of 12? (a) 10 (b) 3 (c) 11
  27. 27.Is 2 a factor of 23? (a) Yes (b) No
  28. 28.Which of these is a factor of 40? (a) 11 (b) 24 (c) 5
  29. 29.Which of these is a multiple of 12? (a) 28 (b) 53 (c) 24
  30. 30.How many factors does 14 have?
  31. 31.What is the LCM of 9 and 15?
  32. 32.Which of these is a prime number? (a) 7 (b) 32 (c) 38
  33. 33.How many factors does 40 have?
  34. 34.How many factors does 48 have?
  35. 35.How many factors does 16 have?
  36. 36.Which of these is a multiple of 3? (a) 17 (b) 9 (c) 28
  37. 37.Which of these is a factor of 24? (a) 7 (b) 9 (c) 2
  38. 38.Which of these is a factor of 42? (a) 13 (b) 9 (c) 6
  39. 39.What is the LCM of 4 and 7?
  40. 40.What is the HCF of 6 and 18?

Answer key

  1. 90
  2. 3
  3. 4
  4. 8
  5. 60
  6. 2
  7. No
  8. 9
  9. 8
  10. 2
  11. 70
  12. 6
  13. 8
  14. 29
  15. No
  16. No
  17. 4
  18. No
  19. Yes
  20. No
  21. 43
  22. No
  23. 2
  24. No
  25. 5
  26. 3
  27. No
  28. 5
  29. 24
  30. 4
  31. 45
  32. 7
  33. 8
  34. 10
  35. 5
  36. 9
  37. 2
  38. 6
  39. 28
  40. 6

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