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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 86 · 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) 32 (b) 19 (c) 12
  2. 2.Which of these is a prime number? (a) 50 (b) 11 (c) 22
  3. 3.Which of these is a factor of 42? (a) 3 (b) 34 (c) 20
  4. 4.Which of these is a prime number? (a) 10 (b) 15 (c) 13
  5. 5.Which of these is a multiple of 7? (a) 44 (b) 57 (c) 56
  6. 6.What is the HCF of 8 and 24?
  7. 7.What is the LCM of 2 and 13?
  8. 8.How many factors does 15 have?
  9. 9.Which of these is a prime number? (a) 25 (b) 12 (c) 17
  10. 10.What is the HCF of 4 and 28?
  11. 11.How many factors does 18 have?
  12. 12.Is 8 a factor of 48? (a) No (b) Yes
  13. 13.Which of these is a prime number? (a) 21 (b) 12 (c) 23
  14. 14.Which of these is a factor of 18? (a) 3 (b) 16 (c) 17
  15. 15.Which of these is a multiple of 9? (a) 36 (b) 37 (c) 69
  16. 16.Which of these is a multiple of 7? (a) 20 (b) 21 (c) 58
  17. 17.Which of these is a factor of 24? (a) 2 (b) 5 (c) 20
  18. 18.Which of these is a multiple of 4? (a) 11 (b) 36 (c) 21
  19. 19.Which of these is a factor of 36? (a) 2 (b) 22 (c) 31
  20. 20.Which of these is a factor of 12? (a) 11 (b) 2 (c) 10
  21. 21.What is the LCM of 8 and 12?
  22. 22.How many factors does 14 have?
  23. 23.What is the LCM of 6 and 9?
  24. 24.How many factors does 24 have?
  25. 25.Is 6 a factor of 60? (a) No (b) Yes
  26. 26.Which of these is a multiple of 12? (a) 25 (b) 31 (c) 36
  27. 27.Which of these is a multiple of 3? (a) 19 (b) 25 (c) 18
  28. 28.Which of these is a prime number? (a) 26 (b) 36 (c) 37
  29. 29.Is 9 a factor of 46? (a) Yes (b) No
  30. 30.Which of these is a multiple of 11? (a) 34 (b) 40 (c) 22
  31. 31.Which of these is a prime number? (a) 14 (b) 30 (c) 3
  32. 32.Which of these is a prime number? (a) 47 (b) 30 (c) 21
  33. 33.Is 3 a factor of 33? (a) No (b) Yes
  34. 34.What is the LCM of 3 and 11?
  35. 35.Is 5 a factor of 34? (a) No (b) Yes
  36. 36.What is the HCF of 3 and 24?
  37. 37.How many factors does 8 have?
  38. 38.What is the HCF of 42 and 54?
  39. 39.Which of these is a factor of 48? (a) 13 (b) 15 (c) 2
  40. 40.Which of these is a factor of 12? (a) 10 (b) 8 (c) 4

Answer key

  1. 19
  2. 11
  3. 3
  4. 13
  5. 56
  6. 8
  7. 26
  8. 4
  9. 17
  10. 4
  11. 6
  12. Yes
  13. 23
  14. 3
  15. 36
  16. 21
  17. 2
  18. 36
  19. 2
  20. 2
  21. 24
  22. 4
  23. 18
  24. 8
  25. Yes
  26. 36
  27. 18
  28. 37
  29. No
  30. 22
  31. 3
  32. 47
  33. Yes
  34. 33
  35. No
  36. 3
  37. 4
  38. 6
  39. 2
  40. 4

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