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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 60 · 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.How many factors does 21 have?
  2. 2.Which of these is a factor of 60? (a) 5 (b) 40 (c) 16
  3. 3.Which of these is a factor of 24? (a) 8 (b) 11 (c) 18
  4. 4.Which of these is a factor of 40? (a) 16 (b) 6 (c) 5
  5. 5.Is 7 a factor of 83? (a) No (b) Yes
  6. 6.What is the LCM of 2 and 11?
  7. 7.How many factors does 32 have?
  8. 8.How many factors does 42 have?
  9. 9.What is the HCF of 18 and 42?
  10. 10.What is the HCF of 12 and 20?
  11. 11.Is 2 a factor of 14? (a) Yes (b) No
  12. 12.Which of these is a factor of 48? (a) 21 (b) 16 (c) 31
  13. 13.Is 3 a factor of 19? (a) Yes (b) No
  14. 14.Which of these is a prime number? (a) 50 (b) 11 (c) 16
  15. 15.What is the HCF of 24 and 40?
  16. 16.Which of these is a factor of 18? (a) 7 (b) 9 (c) 8
  17. 17.What is the HCF of 15 and 18?
  18. 18.Which of these is a multiple of 6? (a) 24 (b) 16 (c) 20
  19. 19.How many factors does 14 have?
  20. 20.Which of these is a prime number? (a) 8 (b) 42 (c) 5
  21. 21.How many factors does 15 have?
  22. 22.What is the LCM of 3 and 7?
  23. 23.What is the LCM of 6 and 13?
  24. 24.Which of these is a prime number? (a) 39 (b) 17 (c) 34
  25. 25.Which of these is a prime number? (a) 35 (b) 30 (c) 19
  26. 26.Which of these is a prime number? (a) 39 (b) 3 (c) 28
  27. 27.What is the LCM of 8 and 14?
  28. 28.What is the HCF of 12 and 18?
  29. 29.What is the LCM of 5 and 8?
  30. 30.Which of these is a prime number? (a) 31 (b) 44 (c) 9
  31. 31.Which of these is a prime number? (a) 20 (b) 47 (c) 24
  32. 32.Which of these is a multiple of 3? (a) 10 (b) 27
  33. 33.What is the LCM of 12 and 15?
  34. 34.Which of these is a factor of 18? (a) 11 (b) 2 (c) 7
  35. 35.What is the HCF of 63 and 81?
  36. 36.Which of these is a prime number? (a) 41 (b) 18 (c) 24
  37. 37.What is the HCF of 18 and 27?
  38. 38.What is the HCF of 3 and 18?
  39. 39.Which of these is a multiple of 7? (a) 58 (b) 18 (c) 14
  40. 40.Which of these is a factor of 60? (a) 6 (b) 17 (c) 59

Answer key

  1. 4
  2. 5
  3. 8
  4. 5
  5. No
  6. 22
  7. 6
  8. 8
  9. 6
  10. 4
  11. Yes
  12. 16
  13. No
  14. 11
  15. 8
  16. 9
  17. 3
  18. 24
  19. 4
  20. 5
  21. 4
  22. 21
  23. 78
  24. 17
  25. 19
  26. 3
  27. 56
  28. 6
  29. 40
  30. 31
  31. 47
  32. 27
  33. 60
  34. 2
  35. 9
  36. 41
  37. 9
  38. 3
  39. 14
  40. 6

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