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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 311 · 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 multiple of 3? (a) 10 (b) 21 (c) 17
  2. 2.What is the LCM of 6 and 10?
  3. 3.Is 7 a factor of 30? (a) Yes (b) No
  4. 4.Which of these is a multiple of 10? (a) 72 (b) 80 (c) 23
  5. 5.Which of these is a multiple of 12? (a) 99 (b) 72 (c) 61
  6. 6.Which of these is a prime number? (a) 10 (b) 25 (c) 5
  7. 7.Which of these is a prime number? (a) 14 (b) 50 (c) 7
  8. 8.Which of these is a prime number? (a) 13 (b) 49 (c) 46
  9. 9.Is 4 a factor of 36? (a) No (b) Yes
  10. 10.What is the HCF of 6 and 18?
  11. 11.Which of these is a multiple of 5? (a) 16 (b) 42 (c) 25
  12. 12.Which of these is a prime number? (a) 12 (b) 45 (c) 17
  13. 13.Is 2 a factor of 4? (a) No (b) Yes
  14. 14.Which of these is a factor of 48? (a) 16 (b) 42 (c) 47
  15. 15.How many factors does 28 have?
  16. 16.What is the HCF of 10 and 14?
  17. 17.Which of these is a multiple of 4? (a) 34 (b) 26 (c) 12
  18. 18.What is the LCM of 8 and 10?
  19. 19.Is 3 a factor of 24? (a) Yes (b) No
  20. 20.What is the LCM of 2 and 5?
  21. 21.Is 2 a factor of 10? (a) Yes (b) No
  22. 22.Which of these is a prime number? (a) 28 (b) 37 (c) 33
  23. 23.Which of these is a factor of 30? (a) 6 (b) 19 (c) 20
  24. 24.Is 2 a factor of 8? (a) Yes (b) No
  25. 25.Is 7 a factor of 28? (a) No (b) Yes
  26. 26.How many factors does 12 have?
  27. 27.What is the HCF of 18 and 21?
  28. 28.How many factors does 42 have?
  29. 29.What is the LCM of 6 and 11?
  30. 30.Is 6 a factor of 38? (a) Yes (b) No
  31. 31.Which of these is a multiple of 7? (a) 47 (b) 37 (c) 49
  32. 32.Is 7 a factor of 77? (a) No (b) Yes
  33. 33.What is the HCF of 6 and 9?
  34. 34.Which of these is a prime number? (a) 41 (b) 10 (c) 26
  35. 35.Is 6 a factor of 34? (a) Yes (b) No
  36. 36.How many factors does 30 have?
  37. 37.Which of these is a factor of 30? (a) 26 (b) 15 (c) 29
  38. 38.Which of these is a prime number? (a) 48 (b) 11 (c) 10
  39. 39.Which of these is a prime number? (a) 38 (b) 3 (c) 14
  40. 40.How many factors does 10 have?

Answer key

  1. 21
  2. 30
  3. No
  4. 80
  5. 72
  6. 5
  7. 7
  8. 13
  9. Yes
  10. 6
  11. 25
  12. 17
  13. Yes
  14. 16
  15. 6
  16. 2
  17. 12
  18. 40
  19. Yes
  20. 10
  21. Yes
  22. 37
  23. 6
  24. Yes
  25. Yes
  26. 6
  27. 3
  28. 8
  29. 66
  30. No
  31. 49
  32. Yes
  33. 3
  34. 41
  35. No
  36. 8
  37. 15
  38. 11
  39. 3
  40. 4

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