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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 63 · 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 30 have?
  2. 2.Which of these is a prime number? (a) 14 (b) 2 (c) 21
  3. 3.What is the LCM of 5 and 13?
  4. 4.Which of these is a factor of 36? (a) 28 (b) 33 (c) 4
  5. 5.Is 9 a factor of 54? (a) No (b) Yes
  6. 6.What is the HCF of 35 and 42?
  7. 7.Is 9 a factor of 72? (a) Yes (b) No
  8. 8.What is the LCM of 8 and 12?
  9. 9.How many factors does 16 have?
  10. 10.Which of these is a factor of 30? (a) 5 (b) 19 (c) 20
  11. 11.How many factors does 36 have?
  12. 12.What is the HCF of 35 and 56?
  13. 13.How many factors does 15 have?
  14. 14.What is the HCF of 7 and 14?
  15. 15.Is 4 a factor of 27? (a) Yes (b) No
  16. 16.Is 3 a factor of 21? (a) No (b) Yes
  17. 17.Is 2 a factor of 14? (a) Yes (b) No
  18. 18.What is the LCM of 10 and 15?
  19. 19.Which of these is a prime number? (a) 37 (b) 42 (c) 39
  20. 20.What is the LCM of 4 and 5?
  21. 21.What is the HCF of 36 and 81?
  22. 22.Which of these is a factor of 30? (a) 13 (b) 11 (c) 3
  23. 23.What is the LCM of 4 and 7?
  24. 24.What is the HCF of 72 and 81?
  25. 25.Which of these is a multiple of 3? (a) 9 (b) 25 (c) 7
  26. 26.What is the HCF of 3 and 15?
  27. 27.Is 5 a factor of 21? (a) Yes (b) No
  28. 28.Which of these is a factor of 36? (a) 8 (b) 6 (c) 27
  29. 29.How many factors does 42 have?
  30. 30.Is 3 a factor of 23? (a) No (b) Yes
  31. 31.How many factors does 21 have?
  32. 32.Is 6 a factor of 66? (a) Yes (b) No
  33. 33.What is the LCM of 2 and 5?
  34. 34.What is the HCF of 15 and 18?
  35. 35.What is the HCF of 36 and 45?
  36. 36.Which of these is a prime number? (a) 11 (b) 28 (c) 45
  37. 37.Which of these is a factor of 20? (a) 15 (b) 5 (c) 7
  38. 38.Which of these is a factor of 12? (a) 10 (b) 2 (c) 5
  39. 39.Which of these is a factor of 42? (a) 18 (b) 20 (c) 21
  40. 40.How many factors does 32 have?

Answer key

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

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