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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 226 · 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.What is the HCF of 35 and 49?
  2. 2.How many factors does 32 have?
  3. 3.What is the HCF of 24 and 56?
  4. 4.What is the HCF of 12 and 14?
  5. 5.What is the LCM of 2 and 13?
  6. 6.Which of these is a prime number? (a) 20 (b) 41 (c) 28
  7. 7.Is 5 a factor of 57? (a) Yes (b) No
  8. 8.Is 9 a factor of 64? (a) Yes (b) No
  9. 9.What is the HCF of 10 and 35?
  10. 10.Which of these is a factor of 20? (a) 13 (b) 8 (c) 10
  11. 11.How many factors does 20 have?
  12. 12.Which of these is a prime number? (a) 6 (b) 45 (c) 3
  13. 13.What is the HCF of 18 and 45?
  14. 14.Which of these is a multiple of 11? (a) 68 (b) 44 (c) 62
  15. 15.Which of these is a factor of 18? (a) 16 (b) 7 (c) 9
  16. 16.How many factors does 40 have?
  17. 17.Is 8 a factor of 31? (a) No (b) Yes
  18. 18.What is the HCF of 3 and 18?
  19. 19.What is the LCM of 5 and 6?
  20. 20.Which of these is a factor of 18? (a) 15 (b) 8 (c) 2
  21. 21.What is the HCF of 6 and 10?
  22. 22.What is the HCF of 49 and 56?
  23. 23.How many factors does 30 have?
  24. 24.Which of these is a multiple of 6? (a) 18 (b) 20 (c) 34
  25. 25.Which of these is a factor of 12? (a) 5 (b) 3 (c) 7
  26. 26.Is 4 a factor of 16? (a) No (b) Yes
  27. 27.Which of these is a prime number? (a) 6 (b) 30 (c) 47
  28. 28.What is the LCM of 2 and 7?
  29. 29.What is the LCM of 7 and 10?
  30. 30.What is the HCF of 45 and 63?
  31. 31.How many factors does 10 have?
  32. 32.What is the HCF of 6 and 12?
  33. 33.How many factors does 12 have?
  34. 34.Which of these is a factor of 36? (a) 25 (b) 22 (c) 18
  35. 35.What is the LCM of 3 and 13?
  36. 36.Which of these is a factor of 36? (a) 6 (b) 23 (c) 21
  37. 37.How many factors does 28 have?
  38. 38.Is 8 a factor of 24? (a) No (b) Yes
  39. 39.Which of these is a prime number? (a) 31 (b) 42 (c) 30
  40. 40.How many factors does 24 have?

Answer key

  1. 7
  2. 6
  3. 8
  4. 2
  5. 26
  6. 41
  7. No
  8. No
  9. 5
  10. 10
  11. 6
  12. 3
  13. 9
  14. 44
  15. 9
  16. 8
  17. No
  18. 3
  19. 30
  20. 2
  21. 2
  22. 7
  23. 8
  24. 18
  25. 3
  26. Yes
  27. 47
  28. 14
  29. 70
  30. 9
  31. 4
  32. 6
  33. 6
  34. 18
  35. 39
  36. 6
  37. 6
  38. Yes
  39. 31
  40. 8

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