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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 205 · 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.How many factors does 40 have?
  2. 2.Which of these is a factor of 48? (a) 40 (b) 13 (c) 3
  3. 3.Which of these is a prime number? (a) 6 (b) 20 (c) 5
  4. 4.Which of these is a prime number? (a) 17 (b) 48 (c) 15
  5. 5.Which of these is a multiple of 12? (a) 93 (b) 40 (c) 24
  6. 6.What is the LCM of 3 and 4?
  7. 7.What is the LCM of 4 and 14?
  8. 8.Which of these is a prime number? (a) 39 (b) 44 (c) 2
  9. 9.Which of these is a factor of 18? (a) 13 (b) 2 (c) 5
  10. 10.Which of these is a multiple of 4? (a) 32 (b) 27 (c) 14
  11. 11.What is the LCM of 5 and 7?
  12. 12.Which of these is a factor of 30? (a) 24 (b) 2 (c) 12
  13. 13.Which of these is a multiple of 6? (a) 55 (b) 58 (c) 54
  14. 14.What is the HCF of 6 and 10?
  15. 15.Which of these is a multiple of 9? (a) 28 (b) 54 (c) 67
  16. 16.Which of these is a prime number? (a) 25 (b) 16 (c) 31
  17. 17.Which of these is a multiple of 10? (a) 66 (b) 85 (c) 60
  18. 18.What is the HCF of 12 and 20?
  19. 19.Which of these is a multiple of 10? (a) 35 (b) 91 (c) 50
  20. 20.How many factors does 42 have?
  21. 21.Which of these is a multiple of 5? (a) 22 (b) 45 (c) 36
  22. 22.How many factors does 14 have?
  23. 23.How many factors does 12 have?
  24. 24.Is 5 a factor of 25? (a) Yes (b) No
  25. 25.Which of these is a multiple of 5? (a) 20 (b) 12 (c) 47
  26. 26.What is the HCF of 18 and 48?
  27. 27.What is the HCF of 18 and 42?
  28. 28.Is 6 a factor of 36? (a) Yes (b) No
  29. 29.Which of these is a factor of 24? (a) 19 (b) 3 (c) 14
  30. 30.Which of these is a factor of 60? (a) 24 (b) 30 (c) 41
  31. 31.Is 7 a factor of 35? (a) No (b) Yes
  32. 32.What is the LCM of 6 and 14?
  33. 33.How many factors does 10 have?
  34. 34.Which of these is a factor of 40? (a) 14 (b) 17 (c) 20
  35. 35.What is the HCF of 2 and 16?
  36. 36.Which of these is a factor of 40? (a) 9 (b) 33 (c) 10
  37. 37.Which of these is a factor of 40? (a) 9 (b) 4 (c) 18
  38. 38.Which of these is a prime number? (a) 7 (b) 6 (c) 35
  39. 39.Is 8 a factor of 38? (a) No (b) Yes
  40. 40.Which of these is a multiple of 3? (a) 14 (b) 15 (c) 19

Answer key

  1. 8
  2. 3
  3. 5
  4. 17
  5. 24
  6. 12
  7. 28
  8. 2
  9. 2
  10. 32
  11. 35
  12. 2
  13. 54
  14. 2
  15. 54
  16. 31
  17. 60
  18. 4
  19. 50
  20. 8
  21. 45
  22. 4
  23. 6
  24. Yes
  25. 20
  26. 6
  27. 6
  28. Yes
  29. 3
  30. 30
  31. Yes
  32. 42
  33. 4
  34. 20
  35. 2
  36. 10
  37. 4
  38. 7
  39. No
  40. 15

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