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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 250 · 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.Which of these is a prime number? (a) 33 (b) 38 (c) 19
  2. 2.Is 8 a factor of 72? (a) No (b) Yes
  3. 3.Which of these is a factor of 40? (a) 2 (b) 26 (c) 16
  4. 4.How many factors does 18 have?
  5. 5.What is the LCM of 12 and 15?
  6. 6.Is 5 a factor of 45? (a) No (b) Yes
  7. 7.What is the HCF of 14 and 18?
  8. 8.Is 3 a factor of 38? (a) Yes (b) No
  9. 9.Which of these is a prime number? (a) 15 (b) 7 (c) 22
  10. 10.Is 8 a factor of 28? (a) Yes (b) No
  11. 11.How many factors does 16 have?
  12. 12.Which of these is a multiple of 12? (a) 106 (b) 108 (c) 65
  13. 13.Which of these is a prime number? (a) 38 (b) 3 (c) 16
  14. 14.What is the HCF of 35 and 49?
  15. 15.What is the HCF of 28 and 35?
  16. 16.How many factors does 24 have?
  17. 17.Is 5 a factor of 64? (a) No (b) Yes
  18. 18.What is the LCM of 4 and 6?
  19. 19.Is 5 a factor of 19? (a) Yes (b) No
  20. 20.Which of these is a factor of 18? (a) 7 (b) 2 (c) 14
  21. 21.Which of these is a prime number? (a) 31 (b) 46 (c) 33
  22. 22.Which of these is a multiple of 11? (a) 50 (b) 66 (c) 39
  23. 23.What is the LCM of 10 and 15?
  24. 24.Is 9 a factor of 75? (a) No (b) Yes
  25. 25.Which of these is a prime number? (a) 50 (b) 38 (c) 5
  26. 26.What is the LCM of 2 and 7?
  27. 27.What is the HCF of 15 and 24?
  28. 28.Which of these is a factor of 20? (a) 4 (b) 18 (c) 19
  29. 29.What is the HCF of 56 and 63?
  30. 30.Is 7 a factor of 81? (a) Yes (b) No
  31. 31.How many factors does 30 have?
  32. 32.Is 5 a factor of 63? (a) No (b) Yes
  33. 33.Is 2 a factor of 14? (a) No (b) Yes
  34. 34.Is 8 a factor of 27? (a) Yes (b) No
  35. 35.How many factors does 14 have?
  36. 36.Which of these is a factor of 12? (a) 5 (b) 2 (c) 10
  37. 37.Which of these is a prime number? (a) 8 (b) 21 (c) 43
  38. 38.How many factors does 15 have?
  39. 39.Is 3 a factor of 10? (a) Yes (b) No
  40. 40.Which of these is a prime number? (a) 30 (b) 22 (c) 13

Answer key

  1. 19
  2. Yes
  3. 2
  4. 6
  5. 60
  6. Yes
  7. 2
  8. No
  9. 7
  10. No
  11. 5
  12. 108
  13. 3
  14. 7
  15. 7
  16. 8
  17. No
  18. 12
  19. No
  20. 2
  21. 31
  22. 66
  23. 30
  24. No
  25. 5
  26. 14
  27. 3
  28. 4
  29. 7
  30. No
  31. 8
  32. No
  33. Yes
  34. No
  35. 4
  36. 2
  37. 43
  38. 4
  39. No
  40. 13

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