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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 87 · 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 10? (a) 49 (b) 20 (c) 59
  2. 2.Which of these is a prime number? (a) 20 (b) 28 (c) 11
  3. 3.What is the LCM of 6 and 8?
  4. 4.How many factors does 15 have?
  5. 5.How many factors does 6 have?
  6. 6.Which of these is a factor of 18? (a) 3 (b) 16 (c) 11
  7. 7.Is 4 a factor of 36? (a) Yes (b) No
  8. 8.Which of these is a prime number? (a) 35 (b) 47 (c) 16
  9. 9.Which of these is a prime number? (a) 25 (b) 45 (c) 41
  10. 10.What is the HCF of 9 and 45?
  11. 11.Is 9 a factor of 42? (a) No (b) Yes
  12. 12.Is 3 a factor of 9? (a) No (b) Yes
  13. 13.Which of these is a multiple of 12? (a) 39 (b) 33 (c) 36
  14. 14.Is 3 a factor of 30? (a) No (b) Yes
  15. 15.What is the HCF of 35 and 45?
  16. 16.Is 5 a factor of 43? (a) Yes (b) No
  17. 17.What is the HCF of 24 and 27?
  18. 18.What is the HCF of 64 and 72?
  19. 19.Which of these is a prime number? (a) 49 (b) 16 (c) 5
  20. 20.Is 6 a factor of 44? (a) No (b) Yes
  21. 21.Is 9 a factor of 63? (a) No (b) Yes
  22. 22.Which of these is a factor of 60? (a) 27 (b) 37 (c) 20
  23. 23.Which of these is a multiple of 12? (a) 45 (b) 30 (c) 84
  24. 24.What is the LCM of 6 and 14?
  25. 25.Which of these is a factor of 24? (a) 19 (b) 4 (c) 20
  26. 26.How many factors does 14 have?
  27. 27.What is the LCM of 3 and 10?
  28. 28.How many factors does 45 have?
  29. 29.How many factors does 16 have?
  30. 30.Which of these is a prime number? (a) 35 (b) 7 (c) 16
  31. 31.How many factors does 48 have?
  32. 32.Which of these is a multiple of 10? (a) 60 (b) 68 (c) 66
  33. 33.Which of these is a multiple of 6? (a) 39 (b) 15 (c) 42
  34. 34.How many factors does 21 have?
  35. 35.What is the LCM of 7 and 12?
  36. 36.Which of these is a prime number? (a) 17 (b) 26 (c) 6
  37. 37.How many factors does 40 have?
  38. 38.How many factors does 42 have?
  39. 39.Which of these is a factor of 36? (a) 2 (b) 30 (c) 19
  40. 40.Is 5 a factor of 15? (a) No (b) Yes

Answer key

  1. 20
  2. 11
  3. 24
  4. 4
  5. 4
  6. 3
  7. Yes
  8. 47
  9. 41
  10. 9
  11. No
  12. Yes
  13. 36
  14. Yes
  15. 5
  16. No
  17. 3
  18. 8
  19. 5
  20. No
  21. Yes
  22. 20
  23. 84
  24. 42
  25. 4
  26. 4
  27. 30
  28. 6
  29. 5
  30. 7
  31. 10
  32. 60
  33. 42
  34. 4
  35. 84
  36. 17
  37. 8
  38. 8
  39. 2
  40. Yes

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