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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 40 · 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.How many factors does 12 have?
  2. 2.Which of these is a prime number? (a) 13 (b) 18 (c) 48
  3. 3.Which of these is a prime number? (a) 25 (b) 8 (c) 5
  4. 4.Which of these is a prime number? (a) 31 (b) 10 (c) 45
  5. 5.What is the HCF of 12 and 15?
  6. 6.Which of these is a multiple of 11? (a) 24 (b) 22 (c) 46
  7. 7.Which of these is a factor of 12? (a) 5 (b) 4 (c) 9
  8. 8.Which of these is a prime number? (a) 12 (b) 2 (c) 36
  9. 9.Is 3 a factor of 31? (a) No (b) Yes
  10. 10.Which of these is a factor of 20? (a) 7 (b) 3 (c) 10
  11. 11.Which of these is a factor of 20? (a) 12 (b) 2 (c) 16
  12. 12.What is the HCF of 12 and 42?
  13. 13.How many factors does 8 have?
  14. 14.What is the HCF of 32 and 36?
  15. 15.How many factors does 10 have?
  16. 16.Which of these is a prime number? (a) 34 (b) 39 (c) 47
  17. 17.What is the LCM of 9 and 15?
  18. 18.What is the HCF of 2 and 4?
  19. 19.Which of these is a factor of 12? (a) 6 (b) 11 (c) 8
  20. 20.Which of these is a multiple of 4? (a) 35 (b) 26 (c) 36
  21. 21.What is the HCF of 16 and 20?
  22. 22.Which of these is a factor of 20? (a) 11 (b) 4 (c) 7
  23. 23.Is 8 a factor of 97? (a) No (b) Yes
  24. 24.Which of these is a multiple of 9? (a) 37 (b) 33 (c) 27
  25. 25.What is the LCM of 12 and 15?
  26. 26.Which of these is a factor of 60? (a) 30 (b) 57 (c) 46
  27. 27.Which of these is a multiple of 8? (a) 72 (b) 18
  28. 28.What is the LCM of 8 and 9?
  29. 29.Which of these is a prime number? (a) 8 (b) 9 (c) 3
  30. 30.What is the HCF of 18 and 45?
  31. 31.What is the HCF of 6 and 15?
  32. 32.What is the LCM of 6 and 13?
  33. 33.Which of these is a multiple of 9? (a) 25 (b) 20 (c) 72
  34. 34.Which of these is a prime number? (a) 34 (b) 20 (c) 37
  35. 35.Which of these is a multiple of 5? (a) 16 (b) 14 (c) 15
  36. 36.Which of these is a multiple of 12? (a) 35 (b) 84 (c) 54
  37. 37.What is the HCF of 24 and 28?
  38. 38.Is 9 a factor of 108? (a) No (b) Yes
  39. 39.How many factors does 15 have?
  40. 40.How many factors does 6 have?

Answer key

  1. 6
  2. 13
  3. 5
  4. 31
  5. 3
  6. 22
  7. 4
  8. 2
  9. No
  10. 10
  11. 2
  12. 6
  13. 4
  14. 4
  15. 4
  16. 47
  17. 45
  18. 2
  19. 6
  20. 36
  21. 4
  22. 4
  23. No
  24. 27
  25. 60
  26. 30
  27. 72
  28. 72
  29. 3
  30. 9
  31. 3
  32. 78
  33. 72
  34. 37
  35. 15
  36. 84
  37. 4
  38. Yes
  39. 4
  40. 4

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