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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 45 · 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) 38 (b) 8 (c) 2
  2. 2.What is the LCM of 3 and 8?
  3. 3.Is 4 a factor of 44? (a) Yes (b) No
  4. 4.Which of these is a prime number? (a) 28 (b) 45 (c) 11
  5. 5.What is the HCF of 8 and 72?
  6. 6.Is 2 a factor of 24? (a) Yes (b) No
  7. 7.Which of these is a factor of 48? (a) 36 (b) 16 (c) 19
  8. 8.Is 8 a factor of 72? (a) No (b) Yes
  9. 9.Which of these is a multiple of 8? (a) 73 (b) 48 (c) 54
  10. 10.What is the LCM of 4 and 6?
  11. 11.What is the LCM of 5 and 14?
  12. 12.How many factors does 21 have?
  13. 13.How many factors does 28 have?
  14. 14.Is 8 a factor of 53? (a) Yes (b) No
  15. 15.What is the HCF of 4 and 32?
  16. 16.What is the LCM of 7 and 12?
  17. 17.Which of these is a prime number? (a) 5 (b) 50 (c) 34
  18. 18.Is 8 a factor of 56? (a) Yes (b) No
  19. 19.Which of these is a factor of 24? (a) 12 (b) 10 (c) 20
  20. 20.Is 5 a factor of 48? (a) No (b) Yes
  21. 21.How many factors does 16 have?
  22. 22.How many factors does 8 have?
  23. 23.What is the HCF of 8 and 24?
  24. 24.Is 3 a factor of 31? (a) No (b) Yes
  25. 25.What is the HCF of 21 and 24?
  26. 26.How many factors does 48 have?
  27. 27.Which of these is a prime number? (a) 18 (b) 21 (c) 19
  28. 28.Which of these is a multiple of 8? (a) 72 (b) 77 (c) 39
  29. 29.How many factors does 14 have?
  30. 30.Which of these is a prime number? (a) 34 (b) 10 (c) 17
  31. 31.What is the LCM of 4 and 13?
  32. 32.Is 6 a factor of 73? (a) No (b) Yes
  33. 33.Which of these is a prime number? (a) 9 (b) 23 (c) 26
  34. 34.What is the HCF of 4 and 6?
  35. 35.Which of these is a multiple of 7? (a) 66 (b) 56 (c) 58
  36. 36.Which of these is a multiple of 10? (a) 72 (b) 25 (c) 20
  37. 37.What is the HCF of 10 and 14?
  38. 38.What is the HCF of 15 and 35?
  39. 39.Which of these is a factor of 40? (a) 5 (b) 18 (c) 23
  40. 40.Which of these is a multiple of 9? (a) 81 (b) 31 (c) 28

Answer key

  1. 2
  2. 24
  3. Yes
  4. 11
  5. 8
  6. Yes
  7. 16
  8. Yes
  9. 48
  10. 12
  11. 70
  12. 4
  13. 6
  14. No
  15. 4
  16. 84
  17. 5
  18. Yes
  19. 12
  20. No
  21. 5
  22. 4
  23. 8
  24. No
  25. 3
  26. 10
  27. 19
  28. 72
  29. 4
  30. 17
  31. 52
  32. No
  33. 23
  34. 2
  35. 56
  36. 20
  37. 2
  38. 5
  39. 5
  40. 81

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