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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 224 · 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) 20 (b) 19 (c) 30
  2. 2.What is the LCM of 2 and 5?
  3. 3.Which of these is a multiple of 4? (a) 38 (b) 16 (c) 25
  4. 4.Which of these is a multiple of 10? (a) 40 (b) 99 (c) 93
  5. 5.How many factors does 36 have?
  6. 6.What is the HCF of 18 and 42?
  7. 7.Which of these is a prime number? (a) 4 (b) 37 (c) 15
  8. 8.What is the HCF of 5 and 15?
  9. 9.What is the LCM of 3 and 8?
  10. 10.Which of these is a factor of 40? (a) 29 (b) 10 (c) 14
  11. 11.How many factors does 12 have?
  12. 12.What is the LCM of 5 and 9?
  13. 13.What is the HCF of 45 and 81?
  14. 14.Which of these is a factor of 18? (a) 12 (b) 7 (c) 9
  15. 15.What is the LCM of 5 and 14?
  16. 16.Which of these is a multiple of 11? (a) 82 (b) 66 (c) 60
  17. 17.Which of these is a factor of 18? (a) 12 (b) 6 (c) 13
  18. 18.How many factors does 32 have?
  19. 19.What is the HCF of 9 and 72?
  20. 20.Which of these is a prime number? (a) 9 (b) 2 (c) 30
  21. 21.Which of these is a prime number? (a) 7 (b) 21 (c) 6
  22. 22.Is 6 a factor of 55? (a) Yes (b) No
  23. 23.How many factors does 45 have?
  24. 24.Is 3 a factor of 23? (a) Yes (b) No
  25. 25.How many factors does 14 have?
  26. 26.Which of these is a factor of 48? (a) 12 (b) 7 (c) 23
  27. 27.What is the HCF of 24 and 40?
  28. 28.Which of these is a factor of 40? (a) 15 (b) 2 (c) 31
  29. 29.What is the HCF of 12 and 30?
  30. 30.What is the HCF of 12 and 20?
  31. 31.What is the LCM of 7 and 11?
  32. 32.Which of these is a multiple of 4? (a) 15 (b) 12 (c) 29
  33. 33.How many factors does 40 have?
  34. 34.Which of these is a factor of 42? (a) 33 (b) 13 (c) 3
  35. 35.What is the LCM of 2 and 7?
  36. 36.What is the HCF of 8 and 14?
  37. 37.Which of these is a factor of 20? (a) 6 (b) 16 (c) 5
  38. 38.What is the LCM of 2 and 9?
  39. 39.What is the HCF of 10 and 14?
  40. 40.How many factors does 42 have?

Answer key

  1. 19
  2. 10
  3. 16
  4. 40
  5. 9
  6. 6
  7. 37
  8. 5
  9. 24
  10. 10
  11. 6
  12. 45
  13. 9
  14. 9
  15. 70
  16. 66
  17. 6
  18. 6
  19. 9
  20. 2
  21. 7
  22. No
  23. 6
  24. No
  25. 4
  26. 12
  27. 8
  28. 2
  29. 6
  30. 4
  31. 77
  32. 12
  33. 8
  34. 3
  35. 14
  36. 2
  37. 5
  38. 18
  39. 2
  40. 8

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