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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 264 · 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.What is the LCM of 9 and 15?
  2. 2.What is the HCF of 25 and 45?
  3. 3.How many factors does 45 have?
  4. 4.Which of these is a prime number? (a) 29 (b) 6 (c) 18
  5. 5.Which of these is a prime number? (a) 47 (b) 45 (c) 46
  6. 6.Which of these is a multiple of 7? (a) 28 (b) 25
  7. 7.Which of these is a prime number? (a) 26 (b) 15 (c) 43
  8. 8.Is 4 a factor of 46? (a) Yes (b) No
  9. 9.What is the LCM of 2 and 15?
  10. 10.How many factors does 16 have?
  11. 11.Which of these is a prime number? (a) 4 (b) 3 (c) 15
  12. 12.Is 3 a factor of 25? (a) No (b) Yes
  13. 13.Which of these is a factor of 20? (a) 9 (b) 10 (c) 7
  14. 14.Which of these is a factor of 36? (a) 32 (b) 13 (c) 12
  15. 15.How many factors does 24 have?
  16. 16.Which of these is a factor of 18? (a) 12 (b) 5 (c) 6
  17. 17.Which of these is a multiple of 5? (a) 38 (b) 13 (c) 35
  18. 18.What is the HCF of 56 and 72?
  19. 19.Which of these is a factor of 18? (a) 14 (b) 3 (c) 11
  20. 20.Is 6 a factor of 59? (a) Yes (b) No
  21. 21.Which of these is a factor of 24? (a) 6 (b) 16 (c) 5
  22. 22.What is the LCM of 3 and 7?
  23. 23.What is the LCM of 8 and 10?
  24. 24.Is 6 a factor of 65? (a) Yes (b) No
  25. 25.What is the LCM of 6 and 14?
  26. 26.Is 9 a factor of 65? (a) Yes (b) No
  27. 27.Which of these is a factor of 20? (a) 19 (b) 5 (c) 12
  28. 28.Which of these is a prime number? (a) 48 (b) 41 (c) 45
  29. 29.Is 9 a factor of 34? (a) Yes (b) No
  30. 30.Which of these is a multiple of 8? (a) 40 (b) 71 (c) 30
  31. 31.Which of these is a factor of 42? (a) 4 (b) 2 (c) 20
  32. 32.How many factors does 36 have?
  33. 33.How many factors does 21 have?
  34. 34.Is 7 a factor of 27? (a) Yes (b) No
  35. 35.Which of these is a multiple of 4? (a) 29 (b) 8 (c) 9
  36. 36.What is the LCM of 8 and 12?
  37. 37.Is 5 a factor of 10? (a) Yes (b) No
  38. 38.Which of these is a factor of 40? (a) 14 (b) 25 (c) 4
  39. 39.Which of these is a multiple of 12? (a) 37 (b) 54 (c) 36
  40. 40.What is the LCM of 4 and 13?

Answer key

  1. 45
  2. 5
  3. 6
  4. 29
  5. 47
  6. 28
  7. 43
  8. No
  9. 30
  10. 5
  11. 3
  12. No
  13. 10
  14. 12
  15. 8
  16. 6
  17. 35
  18. 8
  19. 3
  20. No
  21. 6
  22. 21
  23. 40
  24. No
  25. 42
  26. No
  27. 5
  28. 41
  29. No
  30. 40
  31. 2
  32. 9
  33. 4
  34. No
  35. 8
  36. 24
  37. Yes
  38. 4
  39. 36
  40. 52

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