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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 257 · 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) 18 (b) 46 (c) 29
  2. 2.What is the HCF of 14 and 49?
  3. 3.Which of these is a multiple of 3? (a) 10 (b) 27 (c) 22
  4. 4.Which of these is a multiple of 8? (a) 32 (b) 43 (c) 30
  5. 5.Which of these is a factor of 20? (a) 3 (b) 2 (c) 9
  6. 6.How many factors does 14 have?
  7. 7.Is 6 a factor of 56? (a) No (b) Yes
  8. 8.How many factors does 6 have?
  9. 9.Is 6 a factor of 66? (a) No (b) Yes
  10. 10.Which of these is a prime number? (a) 13 (b) 33 (c) 8
  11. 11.Is 3 a factor of 20? (a) Yes (b) No
  12. 12.Is 5 a factor of 25? (a) Yes (b) No
  13. 13.Which of these is a prime number? (a) 21 (b) 2 (c) 30
  14. 14.What is the HCF of 18 and 63?
  15. 15.How many factors does 21 have?
  16. 16.Which of these is a multiple of 12? (a) 118 (b) 35 (c) 84
  17. 17.Is 6 a factor of 31? (a) No (b) Yes
  18. 18.Is 5 a factor of 10? (a) No (b) Yes
  19. 19.Is 3 a factor of 6? (a) Yes (b) No
  20. 20.How many factors does 40 have?
  21. 21.How many factors does 32 have?
  22. 22.Which of these is a multiple of 3? (a) 12 (b) 23 (c) 7
  23. 23.Which of these is a factor of 24? (a) 3 (b) 17 (c) 14
  24. 24.Which of these is a multiple of 5? (a) 43 (b) 36 (c) 20
  25. 25.What is the LCM of 4 and 6?
  26. 26.Is 2 a factor of 14? (a) Yes (b) No
  27. 27.How many factors does 15 have?
  28. 28.Which of these is a multiple of 5? (a) 18 (b) 47 (c) 30
  29. 29.What is the LCM of 4 and 14?
  30. 30.What is the LCM of 8 and 11?
  31. 31.Is 8 a factor of 56? (a) No (b) Yes
  32. 32.What is the LCM of 4 and 15?
  33. 33.Which of these is a multiple of 4? (a) 9 (b) 24 (c) 25
  34. 34.Which of these is a prime number? (a) 19 (b) 27 (c) 26
  35. 35.Which of these is a multiple of 10? (a) 37 (b) 79 (c) 70
  36. 36.Which of these is a factor of 40? (a) 20 (b) 11 (c) 27
  37. 37.Which of these is a factor of 40? (a) 4 (b) 27 (c) 13
  38. 38.Which of these is a multiple of 11? (a) 82 (b) 75 (c) 77
  39. 39.Is 2 a factor of 9? (a) No (b) Yes
  40. 40.What is the LCM of 4 and 5?

Answer key

  1. 29
  2. 7
  3. 27
  4. 32
  5. 2
  6. 4
  7. No
  8. 4
  9. Yes
  10. 13
  11. No
  12. Yes
  13. 2
  14. 9
  15. 4
  16. 84
  17. No
  18. Yes
  19. Yes
  20. 8
  21. 6
  22. 12
  23. 3
  24. 20
  25. 12
  26. Yes
  27. 4
  28. 30
  29. 28
  30. 88
  31. Yes
  32. 60
  33. 24
  34. 19
  35. 70
  36. 20
  37. 4
  38. 77
  39. No
  40. 20

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