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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 128 · 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 30 have?
  2. 2.Is 9 a factor of 87? (a) Yes (b) No
  3. 3.How many factors does 42 have?
  4. 4.What is the LCM of 12 and 15?
  5. 5.How many factors does 15 have?
  6. 6.How many factors does 45 have?
  7. 7.What is the HCF of 18 and 21?
  8. 8.Which of these is a multiple of 10? (a) 36 (b) 76 (c) 70
  9. 9.What is the LCM of 6 and 14?
  10. 10.Is 3 a factor of 18? (a) No (b) Yes
  11. 11.What is the LCM of 7 and 10?
  12. 12.Which of these is a factor of 30? (a) 17 (b) 9 (c) 15
  13. 13.How many factors does 12 have?
  14. 14.Which of these is a multiple of 3? (a) 14 (b) 16 (c) 9
  15. 15.Is 7 a factor of 14? (a) Yes (b) No
  16. 16.What is the LCM of 10 and 14?
  17. 17.What is the HCF of 24 and 28?
  18. 18.What is the HCF of 27 and 36?
  19. 19.Which of these is a prime number? (a) 16 (b) 47 (c) 48
  20. 20.What is the HCF of 12 and 27?
  21. 21.How many factors does 36 have?
  22. 22.What is the LCM of 6 and 8?
  23. 23.What is the HCF of 3 and 18?
  24. 24.How many factors does 6 have?
  25. 25.Which of these is a multiple of 11? (a) 64 (b) 45 (c) 33
  26. 26.Which of these is a factor of 20? (a) 4 (b) 13 (c) 19
  27. 27.How many factors does 16 have?
  28. 28.Which of these is a factor of 18? (a) 3 (b) 11 (c) 10
  29. 29.Is 8 a factor of 16? (a) No (b) Yes
  30. 30.Which of these is a factor of 12? (a) 7 (b) 3 (c) 10
  31. 31.How many factors does 20 have?
  32. 32.How many factors does 28 have?
  33. 33.What is the HCF of 28 and 49?
  34. 34.What is the LCM of 5 and 7?
  35. 35.Which of these is a multiple of 3? (a) 28 (b) 6 (c) 23
  36. 36.What is the HCF of 28 and 32?
  37. 37.What is the HCF of 45 and 72?
  38. 38.Which of these is a factor of 20? (a) 15 (b) 10 (c) 16
  39. 39.Which of these is a multiple of 4? (a) 27 (b) 20 (c) 9
  40. 40.Which of these is a prime number? (a) 18 (b) 28 (c) 7

Answer key

  1. 8
  2. No
  3. 8
  4. 60
  5. 4
  6. 6
  7. 3
  8. 70
  9. 42
  10. Yes
  11. 70
  12. 15
  13. 6
  14. 9
  15. Yes
  16. 70
  17. 4
  18. 9
  19. 47
  20. 3
  21. 9
  22. 24
  23. 3
  24. 4
  25. 33
  26. 4
  27. 5
  28. 3
  29. Yes
  30. 3
  31. 6
  32. 6
  33. 7
  34. 35
  35. 6
  36. 4
  37. 9
  38. 10
  39. 20
  40. 7

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