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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 82 · 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 4? (a) 39 (b) 8 (c) 35
  2. 2.Which of these is a multiple of 4? (a) 18 (b) 32 (c) 13
  3. 3.Which of these is a prime number? (a) 34 (b) 25 (c) 2
  4. 4.Which of these is a prime number? (a) 4 (b) 28 (c) 43
  5. 5.Which of these is a multiple of 9? (a) 29 (b) 81 (c) 85
  6. 6.Which of these is a factor of 36? (a) 30 (b) 4 (c) 5
  7. 7.How many factors does 40 have?
  8. 8.What is the HCF of 2 and 12?
  9. 9.Is 5 a factor of 15? (a) Yes (b) No
  10. 10.Is 3 a factor of 32? (a) Yes (b) No
  11. 11.Is 5 a factor of 40? (a) No (b) Yes
  12. 12.Is 4 a factor of 16? (a) Yes (b) No
  13. 13.What is the LCM of 6 and 8?
  14. 14.How many factors does 21 have?
  15. 15.Which of these is a factor of 12? (a) 8 (b) 3 (c) 9
  16. 16.Which of these is a multiple of 6? (a) 47 (b) 37 (c) 18
  17. 17.Which of these is a factor of 20? (a) 8 (b) 2 (c) 16
  18. 18.How many factors does 16 have?
  19. 19.Which of these is a multiple of 5? (a) 38 (b) 10 (c) 36
  20. 20.How many factors does 45 have?
  21. 21.Which of these is a factor of 42? (a) 7 (b) 35 (c) 25
  22. 22.What is the LCM of 8 and 10?
  23. 23.How many factors does 32 have?
  24. 24.How many factors does 42 have?
  25. 25.What is the HCF of 14 and 18?
  26. 26.Which of these is a multiple of 5? (a) 40 (b) 34 (c) 22
  27. 27.Which of these is a factor of 24? (a) 6 (b) 5 (c) 13
  28. 28.What is the LCM of 4 and 14?
  29. 29.Which of these is a prime number? (a) 31 (b) 6 (c) 14
  30. 30.What is the HCF of 20 and 28?
  31. 31.How many factors does 14 have?
  32. 32.Which of these is a prime number? (a) 19 (b) 16 (c) 6
  33. 33.What is the HCF of 9 and 54?
  34. 34.Is 5 a factor of 10? (a) Yes (b) No
  35. 35.Which of these is a multiple of 11? (a) 81 (b) 44 (c) 23
  36. 36.Is 7 a factor of 27? (a) Yes (b) No
  37. 37.Which of these is a prime number? (a) 48 (b) 47 (c) 28
  38. 38.What is the HCF of 21 and 35?
  39. 39.Which of these is a prime number? (a) 49 (b) 45 (c) 3
  40. 40.Which of these is a factor of 18? (a) 13 (b) 8 (c) 3

Answer key

  1. 8
  2. 32
  3. 2
  4. 43
  5. 81
  6. 4
  7. 8
  8. 2
  9. Yes
  10. No
  11. Yes
  12. Yes
  13. 24
  14. 4
  15. 3
  16. 18
  17. 2
  18. 5
  19. 10
  20. 6
  21. 7
  22. 40
  23. 6
  24. 8
  25. 2
  26. 40
  27. 6
  28. 28
  29. 31
  30. 4
  31. 4
  32. 19
  33. 9
  34. Yes
  35. 44
  36. No
  37. 47
  38. 7
  39. 3
  40. 3

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