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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 171 · 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) 6 (b) 47 (c) 44
  2. 2.Is 2 a factor of 5? (a) Yes (b) No
  3. 3.How many factors does 8 have?
  4. 4.What is the HCF of 10 and 16?
  5. 5.What is the LCM of 8 and 12?
  6. 6.What is the HCF of 6 and 12?
  7. 7.Which of these is a multiple of 3? (a) 19 (b) 6 (c) 13
  8. 8.Which of these is a multiple of 4? (a) 20 (b) 9 (c) 29
  9. 9.Which of these is a multiple of 7? (a) 50 (b) 63 (c) 69
  10. 10.Which of these is a factor of 48? (a) 38 (b) 41 (c) 24
  11. 11.What is the LCM of 3 and 4?
  12. 12.What is the HCF of 3 and 21?
  13. 13.Which of these is a factor of 24? (a) 20 (b) 22 (c) 8
  14. 14.Which of these is a multiple of 5? (a) 36 (b) 35 (c) 16
  15. 15.Which of these is a factor of 40? (a) 36 (b) 10 (c) 14
  16. 16.What is the HCF of 24 and 28?
  17. 17.Is 2 a factor of 7? (a) No (b) Yes
  18. 18.What is the HCF of 3 and 15?
  19. 19.How many factors does 16 have?
  20. 20.Which of these is a multiple of 3? (a) 28 (b) 29 (c) 15
  21. 21.What is the HCF of 14 and 21?
  22. 22.Which of these is a prime number? (a) 20 (b) 8 (c) 23
  23. 23.How many factors does 12 have?
  24. 24.What is the HCF of 14 and 18?
  25. 25.What is the LCM of 7 and 11?
  26. 26.How many factors does 30 have?
  27. 27.Which of these is a multiple of 12? (a) 29 (b) 38 (c) 60
  28. 28.What is the LCM of 9 and 10?
  29. 29.Which of these is a factor of 48? (a) 40 (b) 6 (c) 35
  30. 30.Is 4 a factor of 44? (a) No (b) Yes
  31. 31.What is the LCM of 4 and 5?
  32. 32.Which of these is a multiple of 10? (a) 40 (b) 94 (c) 79
  33. 33.What is the HCF of 24 and 30?
  34. 34.Which of these is a multiple of 9? (a) 32 (b) 66 (c) 63
  35. 35.Which of these is a factor of 24? (a) 23 (b) 7 (c) 12
  36. 36.Which of these is a factor of 40? (a) 30 (b) 27 (c) 5
  37. 37.How many factors does 40 have?
  38. 38.Which of these is a factor of 36? (a) 12 (b) 22 (c) 34
  39. 39.What is the LCM of 6 and 10?
  40. 40.Is 6 a factor of 28? (a) No (b) Yes

Answer key

  1. 47
  2. No
  3. 4
  4. 2
  5. 24
  6. 6
  7. 6
  8. 20
  9. 63
  10. 24
  11. 12
  12. 3
  13. 8
  14. 35
  15. 10
  16. 4
  17. No
  18. 3
  19. 5
  20. 15
  21. 7
  22. 23
  23. 6
  24. 2
  25. 77
  26. 8
  27. 60
  28. 90
  29. 6
  30. Yes
  31. 20
  32. 40
  33. 6
  34. 63
  35. 12
  36. 5
  37. 8
  38. 12
  39. 30
  40. No

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