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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 41 · 40 sums
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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 factor of 18? (a) 9 (b) 8 (c) 10
  2. 2.Which of these is a multiple of 12? (a) 61 (b) 63 (c) 84
  3. 3.Which of these is a prime number? (a) 42 (b) 45 (c) 37
  4. 4.How many factors does 28 have?
  5. 5.What is the HCF of 9 and 24?
  6. 6.What is the LCM of 9 and 15?
  7. 7.Is 9 a factor of 54? (a) Yes (b) No
  8. 8.Which of these is a multiple of 11? (a) 47 (b) 76 (c) 33
  9. 9.Which of these is a multiple of 9? (a) 70 (b) 29 (c) 72
  10. 10.Which of these is a prime number? (a) 48 (b) 44 (c) 13
  11. 11.What is the HCF of 6 and 14?
  12. 12.How many factors does 45 have?
  13. 13.Which of these is a multiple of 8? (a) 24 (b) 29 (c) 75
  14. 14.Is 7 a factor of 74? (a) Yes (b) No
  15. 15.What is the HCF of 18 and 81?
  16. 16.Which of these is a factor of 20? (a) 14 (b) 4 (c) 13
  17. 17.Which of these is a multiple of 11? (a) 53 (b) 44 (c) 46
  18. 18.How many factors does 21 have?
  19. 19.Is 2 a factor of 13? (a) No (b) Yes
  20. 20.Which of these is a multiple of 5? (a) 34 (b) 41 (c) 45
  21. 21.What is the LCM of 6 and 8?
  22. 22.Which of these is a prime number? (a) 2 (b) 12 (c) 9
  23. 23.What is the HCF of 36 and 45?
  24. 24.Is 4 a factor of 48? (a) No (b) Yes
  25. 25.How many factors does 24 have?
  26. 26.Which of these is a multiple of 3? (a) 6 (b) 8 (c) 17
  27. 27.How many factors does 40 have?
  28. 28.How many factors does 12 have?
  29. 29.What is the HCF of 12 and 20?
  30. 30.What is the LCM of 9 and 12?
  31. 31.What is the HCF of 16 and 24?
  32. 32.Which of these is a factor of 12? (a) 10 (b) 8 (c) 2
  33. 33.Which of these is a multiple of 7? (a) 68 (b) 25 (c) 21
  34. 34.How many factors does 20 have?
  35. 35.Which of these is a multiple of 4? (a) 18 (b) 36 (c) 25
  36. 36.How many factors does 30 have?
  37. 37.What is the HCF of 28 and 63?
  38. 38.What is the LCM of 8 and 10?
  39. 39.Which of these is a prime number? (a) 26 (b) 18 (c) 5
  40. 40.Is 7 a factor of 54? (a) No (b) Yes

Answer key

  1. 9
  2. 84
  3. 37
  4. 6
  5. 3
  6. 45
  7. Yes
  8. 33
  9. 72
  10. 13
  11. 2
  12. 6
  13. 24
  14. No
  15. 9
  16. 4
  17. 44
  18. 4
  19. No
  20. 45
  21. 24
  22. 2
  23. 9
  24. Yes
  25. 8
  26. 6
  27. 8
  28. 6
  29. 4
  30. 36
  31. 8
  32. 2
  33. 21
  34. 6
  35. 36
  36. 8
  37. 7
  38. 40
  39. 5
  40. No

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