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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 156 · 40 sums
TalentJR

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 LCM of 2 and 9?
  2. 2.How many factors does 16 have?
  3. 3.How many factors does 24 have?
  4. 4.Which of these is a prime number? (a) 38 (b) 45 (c) 7
  5. 5.How many factors does 15 have?
  6. 6.How many factors does 30 have?
  7. 7.What is the HCF of 32 and 56?
  8. 8.Which of these is a factor of 20? (a) 10 (b) 12 (c) 11
  9. 9.What is the LCM of 3 and 10?
  10. 10.How many factors does 45 have?
  11. 11.Which of these is a multiple of 4? (a) 25 (b) 17 (c) 20
  12. 12.Is 3 a factor of 10? (a) Yes (b) No
  13. 13.What is the HCF of 36 and 45?
  14. 14.Which of these is a multiple of 6? (a) 24 (b) 41 (c) 23
  15. 15.What is the HCF of 21 and 56?
  16. 16.How many factors does 32 have?
  17. 17.What is the HCF of 56 and 64?
  18. 18.Is 2 a factor of 11? (a) No (b) Yes
  19. 19.What is the LCM of 2 and 3?
  20. 20.Which of these is a multiple of 4? (a) 26 (b) 24 (c) 25
  21. 21.Is 8 a factor of 64? (a) Yes (b) No
  22. 22.How many factors does 21 have?
  23. 23.Which of these is a prime number? (a) 14 (b) 30 (c) 17
  24. 24.Which of these is a prime number? (a) 20 (b) 30 (c) 5
  25. 25.What is the HCF of 21 and 49?
  26. 26.Is 6 a factor of 30? (a) No (b) Yes
  27. 27.How many factors does 36 have?
  28. 28.What is the HCF of 30 and 35?
  29. 29.How many factors does 48 have?
  30. 30.What is the HCF of 25 and 35?
  31. 31.Is 5 a factor of 51? (a) No (b) Yes
  32. 32.Is 3 a factor of 7? (a) Yes (b) No
  33. 33.What is the HCF of 2 and 4?
  34. 34.Which of these is a factor of 18? (a) 2 (b) 5 (c) 10
  35. 35.Which of these is a factor of 60? (a) 5 (b) 17 (c) 25
  36. 36.What is the HCF of 16 and 56?
  37. 37.Which of these is a multiple of 10? (a) 20 (b) 41 (c) 35
  38. 38.Is 9 a factor of 27? (a) Yes (b) No
  39. 39.Is 7 a factor of 35? (a) Yes (b) No
  40. 40.What is the LCM of 4 and 10?

Answer key

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

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