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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 235 · 40 sums
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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 prime number? (a) 22 (b) 6 (c) 37
  2. 2.Which of these is a prime number? (a) 7 (b) 46 (c) 16
  3. 3.What is the LCM of 6 and 11?
  4. 4.What is the HCF of 21 and 28?
  5. 5.Which of these is a factor of 18? (a) 3 (b) 15 (c) 12
  6. 6.Is 4 a factor of 12? (a) No (b) Yes
  7. 7.What is the LCM of 2 and 7?
  8. 8.What is the HCF of 24 and 56?
  9. 9.How many factors does 36 have?
  10. 10.What is the LCM of 4 and 6?
  11. 11.What is the HCF of 9 and 72?
  12. 12.What is the LCM of 5 and 12?
  13. 13.Which of these is a factor of 12? (a) 8 (b) 6 (c) 5
  14. 14.Which of these is a multiple of 9? (a) 27 (b) 41 (c) 24
  15. 15.What is the LCM of 9 and 10?
  16. 16.What is the HCF of 9 and 63?
  17. 17.Which of these is a prime number? (a) 43 (b) 36 (c) 24
  18. 18.Which of these is a factor of 60? (a) 23 (b) 42 (c) 10
  19. 19.How many factors does 42 have?
  20. 20.How many factors does 8 have?
  21. 21.Which of these is a multiple of 10? (a) 63 (b) 64 (c) 30
  22. 22.How many factors does 6 have?
  23. 23.What is the LCM of 3 and 4?
  24. 24.What is the LCM of 5 and 7?
  25. 25.What is the LCM of 2 and 5?
  26. 26.Which of these is a factor of 20? (a) 15 (b) 14 (c) 5
  27. 27.How many factors does 40 have?
  28. 28.How many factors does 10 have?
  29. 29.What is the LCM of 4 and 5?
  30. 30.Which of these is a prime number? (a) 32 (b) 31 (c) 33
  31. 31.Which of these is a factor of 24? (a) 7 (b) 3 (c) 19
  32. 32.How many factors does 32 have?
  33. 33.Which of these is a factor of 12? (a) 2 (b) 11 (c) 5
  34. 34.Which of these is a factor of 42? (a) 4 (b) 20 (c) 3
  35. 35.What is the HCF of 15 and 35?
  36. 36.Which of these is a factor of 20? (a) 13 (b) 14 (c) 10
  37. 37.Which of these is a multiple of 5? (a) 34 (b) 10 (c) 39
  38. 38.Is 4 a factor of 24? (a) Yes (b) No
  39. 39.Which of these is a multiple of 8? (a) 63 (b) 57 (c) 40
  40. 40.What is the LCM of 7 and 8?

Answer key

  1. 37
  2. 7
  3. 66
  4. 7
  5. 3
  6. Yes
  7. 14
  8. 8
  9. 9
  10. 12
  11. 9
  12. 60
  13. 6
  14. 27
  15. 90
  16. 9
  17. 43
  18. 10
  19. 8
  20. 4
  21. 30
  22. 4
  23. 12
  24. 35
  25. 10
  26. 5
  27. 8
  28. 4
  29. 20
  30. 31
  31. 3
  32. 6
  33. 2
  34. 3
  35. 5
  36. 10
  37. 10
  38. Yes
  39. 40
  40. 56

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