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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 28 · 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.Is 2 a factor of 25? (a) No (b) Yes
  2. 2.Which of these is a factor of 30? (a) 3 (b) 7 (c) 21
  3. 3.Is 8 a factor of 16? (a) No (b) Yes
  4. 4.Which of these is a factor of 24? (a) 20 (b) 16 (c) 4
  5. 5.How many factors does 20 have?
  6. 6.Which of these is a prime number? (a) 45 (b) 11 (c) 34
  7. 7.What is the LCM of 6 and 8?
  8. 8.Which of these is a factor of 20? (a) 8 (b) 2 (c) 16
  9. 9.Which of these is a factor of 18? (a) 11 (b) 5 (c) 3
  10. 10.How many factors does 8 have?
  11. 11.Which of these is a factor of 42? (a) 5 (b) 29 (c) 21
  12. 12.Which of these is a prime number? (a) 7 (b) 28 (c) 50
  13. 13.Which of these is a prime number? (a) 19 (b) 8 (c) 22
  14. 14.What is the LCM of 6 and 15?
  15. 15.How many factors does 14 have?
  16. 16.What is the LCM of 2 and 7?
  17. 17.Which of these is a multiple of 10? (a) 30 (b) 25 (c) 72
  18. 18.How many factors does 42 have?
  19. 19.Is 5 a factor of 28? (a) No (b) Yes
  20. 20.Is 6 a factor of 55? (a) No (b) Yes
  21. 21.Which of these is a factor of 60? (a) 9 (b) 8 (c) 2
  22. 22.How many factors does 15 have?
  23. 23.Which of these is a prime number? (a) 24 (b) 26 (c) 5
  24. 24.What is the LCM of 4 and 13?
  25. 25.What is the LCM of 3 and 11?
  26. 26.What is the HCF of 6 and 8?
  27. 27.What is the HCF of 2 and 4?
  28. 28.What is the LCM of 5 and 7?
  29. 29.What is the LCM of 4 and 6?
  30. 30.Which of these is a factor of 48? (a) 24 (b) 47 (c) 45
  31. 31.What is the LCM of 7 and 9?
  32. 32.What is the HCF of 8 and 24?
  33. 33.Which of these is a factor of 40? (a) 7 (b) 14 (c) 4
  34. 34.What is the HCF of 30 and 54?
  35. 35.What is the HCF of 6 and 36?
  36. 36.How many factors does 40 have?
  37. 37.What is the HCF of 5 and 45?
  38. 38.Which of these is a multiple of 11? (a) 60 (b) 55 (c) 47
  39. 39.What is the HCF of 27 and 45?
  40. 40.Which of these is a multiple of 8? (a) 22 (b) 75 (c) 24

Answer key

  1. No
  2. 3
  3. Yes
  4. 4
  5. 6
  6. 11
  7. 24
  8. 2
  9. 3
  10. 4
  11. 21
  12. 7
  13. 19
  14. 30
  15. 4
  16. 14
  17. 30
  18. 8
  19. No
  20. No
  21. 2
  22. 4
  23. 5
  24. 52
  25. 33
  26. 2
  27. 2
  28. 35
  29. 12
  30. 24
  31. 63
  32. 8
  33. 4
  34. 6
  35. 6
  36. 8
  37. 5
  38. 55
  39. 9
  40. 24

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