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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 34 · 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 45 have?
  2. 2.Is 4 a factor of 26? (a) Yes (b) No
  3. 3.Which of these is a factor of 42? (a) 30 (b) 21 (c) 27
  4. 4.Which of these is a factor of 48? (a) 33 (b) 4 (c) 27
  5. 5.Which of these is a prime number? (a) 3 (b) 39 (c) 26
  6. 6.How many factors does 20 have?
  7. 7.How many factors does 16 have?
  8. 8.Which of these is a factor of 12? (a) 7 (b) 8 (c) 2
  9. 9.How many factors does 32 have?
  10. 10.How many factors does 21 have?
  11. 11.Is 2 a factor of 25? (a) Yes (b) No
  12. 12.Is 3 a factor of 20? (a) No (b) Yes
  13. 13.Which of these is a prime number? (a) 4 (b) 47 (c) 38
  14. 14.What is the LCM of 9 and 12?
  15. 15.Which of these is a prime number? (a) 18 (b) 6 (c) 31
  16. 16.Which of these is a prime number? (a) 5 (b) 34 (c) 32
  17. 17.What is the LCM of 4 and 13?
  18. 18.What is the HCF of 15 and 18?
  19. 19.How many factors does 15 have?
  20. 20.Which of these is a prime number? (a) 6 (b) 36 (c) 43
  21. 21.Is 6 a factor of 36? (a) Yes (b) No
  22. 22.Which of these is a multiple of 8? (a) 74 (b) 65 (c) 24
  23. 23.Is 3 a factor of 12? (a) Yes (b) No
  24. 24.Is 3 a factor of 21? (a) Yes (b) No
  25. 25.What is the HCF of 9 and 18?
  26. 26.What is the LCM of 6 and 7?
  27. 27.How many factors does 8 have?
  28. 28.Which of these is a prime number? (a) 38 (b) 2 (c) 28
  29. 29.What is the HCF of 5 and 15?
  30. 30.What is the HCF of 45 and 72?
  31. 31.Which of these is a multiple of 12? (a) 36 (b) 49 (c) 80
  32. 32.What is the LCM of 3 and 14?
  33. 33.How many factors does 28 have?
  34. 34.Which of these is a factor of 24? (a) 11 (b) 5 (c) 6
  35. 35.What is the LCM of 5 and 12?
  36. 36.What is the HCF of 3 and 21?
  37. 37.Which of these is a factor of 20? (a) 19 (b) 5 (c) 8
  38. 38.How many factors does 18 have?
  39. 39.Is 8 a factor of 16? (a) Yes (b) No
  40. 40.What is the LCM of 5 and 13?

Answer key

  1. 6
  2. No
  3. 21
  4. 4
  5. 3
  6. 6
  7. 5
  8. 2
  9. 6
  10. 4
  11. No
  12. No
  13. 47
  14. 36
  15. 31
  16. 5
  17. 52
  18. 3
  19. 4
  20. 43
  21. Yes
  22. 24
  23. Yes
  24. Yes
  25. 9
  26. 42
  27. 4
  28. 2
  29. 5
  30. 9
  31. 36
  32. 42
  33. 6
  34. 6
  35. 60
  36. 3
  37. 5
  38. 6
  39. Yes
  40. 65

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