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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 105 · 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 multiple of 5? (a) 13 (b) 43 (c) 35
  2. 2.What is the LCM of 5 and 12?
  3. 3.Which of these is a prime number? (a) 27 (b) 45 (c) 31
  4. 4.How many factors does 6 have?
  5. 5.How many factors does 15 have?
  6. 6.How many factors does 28 have?
  7. 7.How many factors does 32 have?
  8. 8.Which of these is a factor of 20? (a) 3 (b) 14 (c) 4
  9. 9.How many factors does 48 have?
  10. 10.How many factors does 18 have?
  11. 11.Is 7 a factor of 85? (a) Yes (b) No
  12. 12.What is the HCF of 40 and 72?
  13. 13.Is 2 a factor of 24? (a) Yes (b) No
  14. 14.Which of these is a prime number? (a) 28 (b) 7 (c) 16
  15. 15.Which of these is a factor of 18? (a) 2 (b) 13 (c) 5
  16. 16.Which of these is a prime number? (a) 3 (b) 30 (c) 33
  17. 17.How many factors does 21 have?
  18. 18.Which of these is a factor of 24? (a) 13 (b) 22 (c) 6
  19. 19.Which of these is a multiple of 8? (a) 64 (b) 18 (c) 79
  20. 20.Which of these is a prime number? (a) 40 (b) 38 (c) 17
  21. 21.Which of these is a factor of 24? (a) 9 (b) 22 (c) 3
  22. 22.What is the HCF of 20 and 24?
  23. 23.Which of these is a factor of 12? (a) 7 (b) 6 (c) 9
  24. 24.Is 2 a factor of 10? (a) No (b) Yes
  25. 25.What is the LCM of 8 and 12?
  26. 26.What is the HCF of 12 and 30?
  27. 27.Which of these is a multiple of 7? (a) 63 (b) 36 (c) 62
  28. 28.What is the LCM of 2 and 3?
  29. 29.Is 9 a factor of 39? (a) No (b) Yes
  30. 30.How many factors does 8 have?
  31. 31.What is the HCF of 16 and 28?
  32. 32.What is the LCM of 3 and 11?
  33. 33.Which of these is a prime number? (a) 15 (b) 44 (c) 13
  34. 34.How many factors does 24 have?
  35. 35.What is the LCM of 3 and 4?
  36. 36.Is 5 a factor of 33? (a) Yes (b) No
  37. 37.Which of these is a multiple of 10? (a) 53 (b) 89 (c) 80
  38. 38.What is the LCM of 8 and 9?
  39. 39.Which of these is a factor of 24? (a) 21 (b) 8 (c) 15
  40. 40.Which of these is a factor of 20? (a) 17 (b) 9 (c) 5

Answer key

  1. 35
  2. 60
  3. 31
  4. 4
  5. 4
  6. 6
  7. 6
  8. 4
  9. 10
  10. 6
  11. No
  12. 8
  13. Yes
  14. 7
  15. 2
  16. 3
  17. 4
  18. 6
  19. 64
  20. 17
  21. 3
  22. 4
  23. 6
  24. Yes
  25. 24
  26. 6
  27. 63
  28. 6
  29. No
  30. 4
  31. 4
  32. 33
  33. 13
  34. 8
  35. 12
  36. No
  37. 80
  38. 72
  39. 8
  40. 5

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