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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 181 · 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 prime number? (a) 41 (b) 34 (c) 15
  2. 2.Which of these is a factor of 24? (a) 22 (b) 6 (c) 11
  3. 3.What is the HCF of 40 and 48?
  4. 4.What is the HCF of 12 and 21?
  5. 5.Which of these is a prime number? (a) 26 (b) 20 (c) 2
  6. 6.Which of these is a factor of 20? (a) 6 (b) 19 (c) 5
  7. 7.Which of these is a multiple of 4? (a) 8 (b) 35 (c) 30
  8. 8.What is the LCM of 6 and 14?
  9. 9.Is 9 a factor of 26? (a) No (b) Yes
  10. 10.Which of these is a prime number? (a) 16 (b) 7 (c) 8
  11. 11.How many factors does 30 have?
  12. 12.Which of these is a factor of 24? (a) 17 (b) 15 (c) 12
  13. 13.What is the HCF of 10 and 15?
  14. 14.Which of these is a prime number? (a) 14 (b) 26 (c) 13
  15. 15.Which of these is a multiple of 12? (a) 108 (b) 119 (c) 100
  16. 16.How many factors does 8 have?
  17. 17.Which of these is a multiple of 10? (a) 90 (b) 22 (c) 73
  18. 18.How many factors does 36 have?
  19. 19.Which of these is a multiple of 8? (a) 78 (b) 64 (c) 29
  20. 20.Which of these is a factor of 12? (a) 6 (b) 11 (c) 7
  21. 21.Which of these is a factor of 18? (a) 11 (b) 14 (c) 2
  22. 22.What is the LCM of 3 and 11?
  23. 23.Which of these is a factor of 18? (a) 12 (b) 16 (c) 6
  24. 24.Is 7 a factor of 35? (a) No (b) Yes
  25. 25.Which of these is a factor of 20? (a) 15 (b) 8 (c) 10
  26. 26.Is 7 a factor of 56? (a) No (b) Yes
  27. 27.Which of these is a prime number? (a) 33 (b) 23 (c) 38
  28. 28.Which of these is a multiple of 3? (a) 9 (b) 23 (c) 26
  29. 29.What is the LCM of 3 and 8?
  30. 30.Which of these is a factor of 12? (a) 11 (b) 7 (c) 2
  31. 31.Which of these is a prime number? (a) 15 (b) 19 (c) 30
  32. 32.Is 2 a factor of 8? (a) No (b) Yes
  33. 33.Which of these is a factor of 40? (a) 15 (b) 20 (c) 35
  34. 34.How many factors does 20 have?
  35. 35.How many factors does 14 have?
  36. 36.What is the LCM of 12 and 15?
  37. 37.Is 2 a factor of 21? (a) Yes (b) No
  38. 38.How many factors does 6 have?
  39. 39.What is the HCF of 42 and 49?
  40. 40.What is the LCM of 2 and 9?

Answer key

  1. 41
  2. 6
  3. 8
  4. 3
  5. 2
  6. 5
  7. 8
  8. 42
  9. No
  10. 7
  11. 8
  12. 12
  13. 5
  14. 13
  15. 108
  16. 4
  17. 90
  18. 9
  19. 64
  20. 6
  21. 2
  22. 33
  23. 6
  24. Yes
  25. 10
  26. Yes
  27. 23
  28. 9
  29. 24
  30. 2
  31. 19
  32. Yes
  33. 20
  34. 6
  35. 4
  36. 60
  37. No
  38. 4
  39. 7
  40. 18

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