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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 124 · 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 6 and 10?
  2. 2.What is the LCM of 4 and 13?
  3. 3.How many factors does 20 have?
  4. 4.Which of these is a prime number? (a) 39 (b) 6 (c) 17
  5. 5.Which of these is a prime number? (a) 25 (b) 5 (c) 49
  6. 6.Which of these is a factor of 42? (a) 23 (b) 14 (c) 15
  7. 7.What is the LCM of 2 and 15?
  8. 8.How many factors does 16 have?
  9. 9.What is the HCF of 20 and 24?
  10. 10.What is the LCM of 5 and 12?
  11. 11.Which of these is a factor of 18? (a) 2 (b) 14 (c) 4
  12. 12.Which of these is a prime number? (a) 14 (b) 23 (c) 33
  13. 13.Which of these is a multiple of 3? (a) 13 (b) 29 (c) 18
  14. 14.Which of these is a multiple of 4? (a) 9 (b) 28 (c) 11
  15. 15.Which of these is a prime number? (a) 31 (b) 38 (c) 26
  16. 16.What is the HCF of 12 and 15?
  17. 17.How many factors does 8 have?
  18. 18.What is the HCF of 24 and 42?
  19. 19.Is 3 a factor of 7? (a) No (b) Yes
  20. 20.Which of these is a factor of 18? (a) 9 (b) 16 (c) 12
  21. 21.Which of these is a multiple of 9? (a) 29 (b) 34 (c) 18
  22. 22.What is the HCF of 5 and 15?
  23. 23.Is 5 a factor of 46? (a) No (b) Yes
  24. 24.Which of these is a multiple of 12? (a) 24 (b) 80 (c) 102
  25. 25.Which of these is a factor of 42? (a) 35 (b) 24 (c) 3
  26. 26.Which of these is a multiple of 4? (a) 34 (b) 16 (c) 31
  27. 27.Is 8 a factor of 56? (a) Yes (b) No
  28. 28.What is the LCM of 12 and 15?
  29. 29.Is 5 a factor of 25? (a) No (b) Yes
  30. 30.What is the LCM of 6 and 7?
  31. 31.What is the LCM of 7 and 8?
  32. 32.Which of these is a factor of 18? (a) 11 (b) 13 (c) 6
  33. 33.How many factors does 48 have?
  34. 34.Which of these is a multiple of 11? (a) 77 (b) 85 (c) 47
  35. 35.What is the HCF of 24 and 56?
  36. 36.How many factors does 15 have?
  37. 37.Which of these is a multiple of 3? (a) 21 (b) 13 (c) 25
  38. 38.Which of these is a multiple of 11? (a) 66 (b) 36 (c) 23
  39. 39.What is the LCM of 4 and 10?
  40. 40.Which of these is a factor of 20? (a) 2 (b) 17 (c) 16

Answer key

  1. 30
  2. 52
  3. 6
  4. 17
  5. 5
  6. 14
  7. 30
  8. 5
  9. 4
  10. 60
  11. 2
  12. 23
  13. 18
  14. 28
  15. 31
  16. 3
  17. 4
  18. 6
  19. No
  20. 9
  21. 18
  22. 5
  23. No
  24. 24
  25. 3
  26. 16
  27. Yes
  28. 60
  29. Yes
  30. 42
  31. 56
  32. 6
  33. 10
  34. 77
  35. 8
  36. 4
  37. 21
  38. 66
  39. 20
  40. 2

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