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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 9 · 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 HCF of 12 and 16?
  2. 2.Is 9 a factor of 20? (a) No (b) Yes
  3. 3.What is the HCF of 28 and 32?
  4. 4.What is the LCM of 3 and 4?
  5. 5.What is the HCF of 16 and 18?
  6. 6.Which of these is a factor of 48? (a) 7 (b) 4 (c) 38
  7. 7.Which of these is a multiple of 6? (a) 15 (b) 57 (c) 54
  8. 8.What is the LCM of 5 and 6?
  9. 9.What is the LCM of 2 and 9?
  10. 10.What is the LCM of 2 and 3?
  11. 11.Which of these is a factor of 24? (a) 14 (b) 17 (c) 8
  12. 12.Which of these is a factor of 48? (a) 9 (b) 31 (c) 8
  13. 13.Which of these is a prime number? (a) 5 (b) 34 (c) 32
  14. 14.Is 9 a factor of 72? (a) No (b) Yes
  15. 15.Is 2 a factor of 10? (a) Yes (b) No
  16. 16.Is 7 a factor of 16? (a) Yes (b) No
  17. 17.Which of these is a factor of 42? (a) 2 (b) 37 (c) 38
  18. 18.Which of these is a multiple of 4? (a) 12 (b) 18 (c) 13
  19. 19.How many factors does 21 have?
  20. 20.Which of these is a multiple of 4? (a) 8 (b) 22
  21. 21.Is 4 a factor of 16? (a) No (b) Yes
  22. 22.Which of these is a prime number? (a) 27 (b) 24 (c) 31
  23. 23.What is the LCM of 3 and 7?
  24. 24.What is the HCF of 72 and 81?
  25. 25.Which of these is a prime number? (a) 47 (b) 14 (c) 6
  26. 26.Is 2 a factor of 24? (a) Yes (b) No
  27. 27.Which of these is a factor of 12? (a) 3 (b) 5 (c) 8
  28. 28.Which of these is a prime number? (a) 34 (b) 43 (c) 45
  29. 29.Which of these is a prime number? (a) 42 (b) 22 (c) 13
  30. 30.Which of these is a factor of 42? (a) 9 (b) 11 (c) 6
  31. 31.Which of these is a multiple of 3? (a) 10 (b) 21
  32. 32.Which of these is a prime number? (a) 42 (b) 16 (c) 7
  33. 33.Which of these is a multiple of 6? (a) 22 (b) 34 (c) 12
  34. 34.Is 2 a factor of 5? (a) No (b) Yes
  35. 35.How many factors does 12 have?
  36. 36.What is the LCM of 4 and 9?
  37. 37.Which of these is a factor of 48? (a) 43 (b) 6 (c) 23
  38. 38.Is 3 a factor of 27? (a) Yes (b) No
  39. 39.Which of these is a prime number? (a) 34 (b) 27 (c) 3
  40. 40.How many factors does 24 have?

Answer key

  1. 4
  2. No
  3. 4
  4. 12
  5. 2
  6. 4
  7. 54
  8. 30
  9. 18
  10. 6
  11. 8
  12. 8
  13. 5
  14. Yes
  15. Yes
  16. No
  17. 2
  18. 12
  19. 4
  20. 8
  21. Yes
  22. 31
  23. 21
  24. 9
  25. 47
  26. Yes
  27. 3
  28. 43
  29. 13
  30. 6
  31. 21
  32. 7
  33. 12
  34. No
  35. 6
  36. 36
  37. 6
  38. Yes
  39. 3
  40. 8

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