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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 145 · 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) 7 (b) 21 (c) 8
  2. 2.Which of these is a factor of 30? (a) 14 (b) 18 (c) 3
  3. 3.Is 6 a factor of 72? (a) No (b) Yes
  4. 4.Which of these is a factor of 18? (a) 8 (b) 4 (c) 9
  5. 5.How many factors does 24 have?
  6. 6.Which of these is a factor of 30? (a) 6 (b) 12 (c) 18
  7. 7.What is the LCM of 2 and 13?
  8. 8.What is the HCF of 7 and 42?
  9. 9.Which of these is a multiple of 7? (a) 25 (b) 19 (c) 42
  10. 10.How many factors does 15 have?
  11. 11.How many factors does 32 have?
  12. 12.Which of these is a prime number? (a) 32 (b) 13 (c) 16
  13. 13.What is the LCM of 10 and 12?
  14. 14.How many factors does 28 have?
  15. 15.Which of these is a prime number? (a) 38 (b) 41 (c) 4
  16. 16.What is the HCF of 36 and 42?
  17. 17.Which of these is a prime number? (a) 16 (b) 29 (c) 39
  18. 18.Which of these is a prime number? (a) 10 (b) 43 (c) 24
  19. 19.What is the HCF of 4 and 14?
  20. 20.Which of these is a multiple of 5? (a) 23 (b) 47 (c) 25
  21. 21.Is 2 a factor of 10? (a) Yes (b) No
  22. 22.What is the HCF of 20 and 32?
  23. 23.Which of these is a factor of 40? (a) 12 (b) 27 (c) 20
  24. 24.Is 9 a factor of 48? (a) No (b) Yes
  25. 25.What is the LCM of 12 and 14?
  26. 26.What is the HCF of 6 and 48?
  27. 27.How many factors does 36 have?
  28. 28.Which of these is a multiple of 3? (a) 17 (b) 29 (c) 9
  29. 29.How many factors does 14 have?
  30. 30.How many factors does 18 have?
  31. 31.Is 4 a factor of 26? (a) Yes (b) No
  32. 32.Which of these is a factor of 20? (a) 12 (b) 10 (c) 16
  33. 33.Which of these is a prime number? (a) 2 (b) 49 (c) 33
  34. 34.Which of these is a factor of 36? (a) 24 (b) 18 (c) 21
  35. 35.What is the HCF of 7 and 21?
  36. 36.How many factors does 45 have?
  37. 37.Which of these is a prime number? (a) 9 (b) 39 (c) 19
  38. 38.What is the HCF of 10 and 18?
  39. 39.How many factors does 6 have?
  40. 40.Which of these is a multiple of 10? (a) 38 (b) 64 (c) 90

Answer key

  1. 21
  2. 3
  3. Yes
  4. 9
  5. 8
  6. 6
  7. 26
  8. 7
  9. 42
  10. 4
  11. 6
  12. 13
  13. 60
  14. 6
  15. 41
  16. 6
  17. 29
  18. 43
  19. 2
  20. 25
  21. Yes
  22. 4
  23. 20
  24. No
  25. 84
  26. 6
  27. 9
  28. 9
  29. 4
  30. 6
  31. No
  32. 10
  33. 2
  34. 18
  35. 7
  36. 6
  37. 19
  38. 2
  39. 4
  40. 90

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