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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 274 · 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) 2 (b) 39 (c) 15
  2. 2.What is the HCF of 35 and 45?
  3. 3.Which of these is a prime number? (a) 16 (b) 7 (c) 27
  4. 4.Is 7 a factor of 20? (a) No (b) Yes
  5. 5.How many factors does 14 have?
  6. 6.How many factors does 10 have?
  7. 7.What is the HCF of 14 and 63?
  8. 8.Which of these is a factor of 18? (a) 17 (b) 7 (c) 2
  9. 9.Is 8 a factor of 80? (a) No (b) Yes
  10. 10.Which of these is a factor of 48? (a) 3 (b) 11 (c) 27
  11. 11.Which of these is a factor of 12? (a) 3 (b) 7 (c) 9
  12. 12.Is 6 a factor of 74? (a) Yes (b) No
  13. 13.What is the LCM of 4 and 10?
  14. 14.Which of these is a factor of 40? (a) 10 (b) 16 (c) 26
  15. 15.Is 7 a factor of 23? (a) No (b) Yes
  16. 16.Is 3 a factor of 21? (a) Yes (b) No
  17. 17.Is 7 a factor of 15? (a) No (b) Yes
  18. 18.Which of these is a factor of 12? (a) 10 (b) 11 (c) 2
  19. 19.Is 2 a factor of 9? (a) Yes (b) No
  20. 20.What is the LCM of 5 and 12?
  21. 21.What is the HCF of 8 and 12?
  22. 22.Which of these is a factor of 30? (a) 22 (b) 10 (c) 27
  23. 23.Which of these is a factor of 30? (a) 8 (b) 2 (c) 28
  24. 24.How many factors does 15 have?
  25. 25.Which of these is a prime number? (a) 15 (b) 48 (c) 5
  26. 26.Is 5 a factor of 25? (a) Yes (b) No
  27. 27.Which of these is a prime number? (a) 43 (b) 49 (c) 10
  28. 28.Which of these is a multiple of 7? (a) 62 (b) 56 (c) 43
  29. 29.What is the LCM of 9 and 12?
  30. 30.What is the HCF of 24 and 42?
  31. 31.Which of these is a factor of 60? (a) 51 (b) 54 (c) 15
  32. 32.What is the LCM of 3 and 13?
  33. 33.What is the LCM of 5 and 14?
  34. 34.Which of these is a multiple of 12? (a) 72 (b) 53 (c) 82
  35. 35.What is the HCF of 35 and 49?
  36. 36.How many factors does 45 have?
  37. 37.What is the LCM of 12 and 14?
  38. 38.Which of these is a factor of 24? (a) 5 (b) 3 (c) 10
  39. 39.How many factors does 12 have?
  40. 40.Which of these is a factor of 60? (a) 49 (b) 12 (c) 36

Answer key

  1. 2
  2. 5
  3. 7
  4. No
  5. 4
  6. 4
  7. 7
  8. 2
  9. Yes
  10. 3
  11. 3
  12. No
  13. 20
  14. 10
  15. No
  16. Yes
  17. No
  18. 2
  19. No
  20. 60
  21. 4
  22. 10
  23. 2
  24. 4
  25. 5
  26. Yes
  27. 43
  28. 56
  29. 36
  30. 6
  31. 15
  32. 39
  33. 70
  34. 72
  35. 7
  36. 6
  37. 84
  38. 3
  39. 6
  40. 12

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