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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 314 · 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 9? (a) 63 (b) 57 (c) 26
  2. 2.Which of these is a prime number? (a) 3 (b) 9 (c) 12
  3. 3.Which of these is a prime number? (a) 5 (b) 21 (c) 14
  4. 4.How many factors does 8 have?
  5. 5.What is the LCM of 4 and 15?
  6. 6.Is 9 a factor of 81? (a) No (b) Yes
  7. 7.Which of these is a factor of 42? (a) 17 (b) 30 (c) 2
  8. 8.Is 9 a factor of 54? (a) Yes (b) No
  9. 9.Is 5 a factor of 13? (a) Yes (b) No
  10. 10.Is 7 a factor of 84? (a) No (b) Yes
  11. 11.Is 6 a factor of 54? (a) No (b) Yes
  12. 12.What is the HCF of 15 and 20?
  13. 13.Which of these is a factor of 18? (a) 6 (b) 14 (c) 13
  14. 14.Which of these is a multiple of 5? (a) 29 (b) 41 (c) 15
  15. 15.Which of these is a prime number? (a) 9 (b) 33 (c) 43
  16. 16.How many factors does 12 have?
  17. 17.Which of these is a prime number? (a) 22 (b) 18 (c) 11
  18. 18.Which of these is a multiple of 10? (a) 50 (b) 61 (c) 75
  19. 19.Which of these is a factor of 42? (a) 22 (b) 29 (c) 3
  20. 20.Which of these is a factor of 36? (a) 8 (b) 12 (c) 5
  21. 21.How many factors does 30 have?
  22. 22.Which of these is a multiple of 6? (a) 20 (b) 17 (c) 12
  23. 23.Which of these is a prime number? (a) 38 (b) 16 (c) 2
  24. 24.Which of these is a factor of 30? (a) 17 (b) 2 (c) 21
  25. 25.How many factors does 10 have?
  26. 26.How many factors does 45 have?
  27. 27.What is the HCF of 28 and 36?
  28. 28.Is 8 a factor of 64? (a) Yes (b) No
  29. 29.What is the LCM of 10 and 15?
  30. 30.Which of these is a factor of 30? (a) 21 (b) 14 (c) 5
  31. 31.How many factors does 24 have?
  32. 32.How many factors does 36 have?
  33. 33.How many factors does 6 have?
  34. 34.What is the LCM of 6 and 8?
  35. 35.Which of these is a multiple of 9? (a) 36 (b) 55 (c) 51
  36. 36.Which of these is a multiple of 12? (a) 24 (b) 104 (c) 35
  37. 37.Which of these is a factor of 24? (a) 12 (b) 20 (c) 13
  38. 38.What is the LCM of 2 and 13?
  39. 39.Which of these is a multiple of 3? (a) 14 (b) 15 (c) 16
  40. 40.Is 7 a factor of 21? (a) Yes (b) No

Answer key

  1. 63
  2. 3
  3. 5
  4. 4
  5. 60
  6. Yes
  7. 2
  8. Yes
  9. No
  10. Yes
  11. Yes
  12. 5
  13. 6
  14. 15
  15. 43
  16. 6
  17. 11
  18. 50
  19. 3
  20. 12
  21. 8
  22. 12
  23. 2
  24. 2
  25. 4
  26. 6
  27. 4
  28. Yes
  29. 30
  30. 5
  31. 8
  32. 9
  33. 4
  34. 24
  35. 36
  36. 24
  37. 12
  38. 26
  39. 15
  40. Yes

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