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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 49 · 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 20 have?
  2. 2.How many factors does 42 have?
  3. 3.Which of these is a multiple of 7? (a) 58 (b) 35 (c) 40
  4. 4.Is 3 a factor of 16? (a) Yes (b) No
  5. 5.What is the HCF of 2 and 10?
  6. 6.What is the LCM of 8 and 10?
  7. 7.Which of these is a factor of 36? (a) 5 (b) 29 (c) 12
  8. 8.Which of these is a factor of 42? (a) 16 (b) 3 (c) 38
  9. 9.What is the HCF of 10 and 45?
  10. 10.Which of these is a factor of 40? (a) 20 (b) 17 (c) 30
  11. 11.What is the LCM of 2 and 5?
  12. 12.How many factors does 10 have?
  13. 13.Is 2 a factor of 25? (a) No (b) Yes
  14. 14.Which of these is a factor of 24? (a) 17 (b) 8 (c) 22
  15. 15.How many factors does 36 have?
  16. 16.What is the HCF of 12 and 54?
  17. 17.How many factors does 15 have?
  18. 18.Which of these is a prime number? (a) 42 (b) 38 (c) 41
  19. 19.Which of these is a multiple of 6? (a) 44 (b) 24 (c) 20
  20. 20.Which of these is a factor of 20? (a) 17 (b) 10 (c) 8
  21. 21.Is 2 a factor of 5? (a) No (b) Yes
  22. 22.Which of these is a factor of 18? (a) 7 (b) 10 (c) 2
  23. 23.How many factors does 8 have?
  24. 24.Is 7 a factor of 77? (a) Yes (b) No
  25. 25.What is the LCM of 2 and 11?
  26. 26.Is 3 a factor of 23? (a) Yes (b) No
  27. 27.Is 5 a factor of 12? (a) Yes (b) No
  28. 28.What is the LCM of 3 and 14?
  29. 29.Which of these is a multiple of 9? (a) 76 (b) 45 (c) 83
  30. 30.What is the LCM of 6 and 9?
  31. 31.Which of these is a prime number? (a) 43 (b) 25 (c) 49
  32. 32.Is 4 a factor of 10? (a) Yes (b) No
  33. 33.Which of these is a factor of 42? (a) 41 (b) 11 (c) 2
  34. 34.Which of these is a prime number? (a) 10 (b) 20 (c) 17
  35. 35.Which of these is a multiple of 5? (a) 29 (b) 35 (c) 36
  36. 36.Which of these is a multiple of 12? (a) 30 (b) 59 (c) 48
  37. 37.How many factors does 48 have?
  38. 38.Is 3 a factor of 13? (a) No (b) Yes
  39. 39.How many factors does 30 have?
  40. 40.What is the HCF of 40 and 64?

Answer key

  1. 6
  2. 8
  3. 35
  4. No
  5. 2
  6. 40
  7. 12
  8. 3
  9. 5
  10. 20
  11. 10
  12. 4
  13. No
  14. 8
  15. 9
  16. 6
  17. 4
  18. 41
  19. 24
  20. 10
  21. No
  22. 2
  23. 4
  24. Yes
  25. 22
  26. No
  27. No
  28. 42
  29. 45
  30. 18
  31. 43
  32. No
  33. 2
  34. 17
  35. 35
  36. 48
  37. 10
  38. No
  39. 8
  40. 8

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