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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 65 · 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 factor of 42? (a) 7 (b) 31 (c) 11
  2. 2.How many factors does 18 have?
  3. 3.What is the HCF of 12 and 20?
  4. 4.Which of these is a prime number? (a) 48 (b) 41 (c) 15
  5. 5.Which of these is a prime number? (a) 10 (b) 28 (c) 13
  6. 6.Which of these is a multiple of 9? (a) 81 (b) 75 (c) 62
  7. 7.What is the LCM of 3 and 13?
  8. 8.Which of these is a factor of 20? (a) 8 (b) 4 (c) 9
  9. 9.What is the LCM of 3 and 10?
  10. 10.What is the LCM of 10 and 14?
  11. 11.What is the HCF of 4 and 32?
  12. 12.How many factors does 36 have?
  13. 13.How many factors does 48 have?
  14. 14.Which of these is a factor of 24? (a) 16 (b) 12 (c) 9
  15. 15.Which of these is a factor of 48? (a) 6 (b) 47 (c) 20
  16. 16.Which of these is a prime number? (a) 39 (b) 43 (c) 15
  17. 17.Is 3 a factor of 29? (a) No (b) Yes
  18. 18.What is the LCM of 5 and 13?
  19. 19.Which of these is a multiple of 8? (a) 19 (b) 44 (c) 24
  20. 20.How many factors does 6 have?
  21. 21.What is the HCF of 6 and 30?
  22. 22.Which of these is a multiple of 9? (a) 41 (b) 36 (c) 70
  23. 23.Which of these is a prime number? (a) 3 (b) 18 (c) 16
  24. 24.What is the HCF of 24 and 56?
  25. 25.How many factors does 30 have?
  26. 26.What is the HCF of 8 and 28?
  27. 27.What is the HCF of 7 and 28?
  28. 28.Which of these is a factor of 42? (a) 38 (b) 26 (c) 3
  29. 29.What is the HCF of 3 and 21?
  30. 30.Which of these is a factor of 40? (a) 4 (b) 13 (c) 27
  31. 31.How many factors does 21 have?
  32. 32.How many factors does 8 have?
  33. 33.How many factors does 16 have?
  34. 34.What is the HCF of 40 and 64?
  35. 35.Which of these is a factor of 20? (a) 9 (b) 17 (c) 5
  36. 36.Which of these is a prime number? (a) 14 (b) 50 (c) 2
  37. 37.Is 6 a factor of 60? (a) Yes (b) No
  38. 38.Is 7 a factor of 34? (a) No (b) Yes
  39. 39.Which of these is a factor of 42? (a) 2 (b) 9 (c) 25
  40. 40.How many factors does 28 have?

Answer key

  1. 7
  2. 6
  3. 4
  4. 41
  5. 13
  6. 81
  7. 39
  8. 4
  9. 30
  10. 70
  11. 4
  12. 9
  13. 10
  14. 12
  15. 6
  16. 43
  17. No
  18. 65
  19. 24
  20. 4
  21. 6
  22. 36
  23. 3
  24. 8
  25. 8
  26. 4
  27. 7
  28. 3
  29. 3
  30. 4
  31. 4
  32. 4
  33. 5
  34. 8
  35. 5
  36. 2
  37. Yes
  38. No
  39. 2
  40. 6

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