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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 165 · 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.What is the HCF of 5 and 35?
  2. 2.What is the LCM of 2 and 11?
  3. 3.Is 4 a factor of 9? (a) Yes (b) No
  4. 4.Which of these is a factor of 42? (a) 41 (b) 19 (c) 7
  5. 5.Is 3 a factor of 38? (a) Yes (b) No
  6. 6.Is 9 a factor of 77? (a) Yes (b) No
  7. 7.How many factors does 21 have?
  8. 8.Which of these is a multiple of 7? (a) 67 (b) 56 (c) 41
  9. 9.How many factors does 42 have?
  10. 10.What is the HCF of 24 and 32?
  11. 11.Is 9 a factor of 41? (a) Yes (b) No
  12. 12.Is 5 a factor of 40? (a) No (b) Yes
  13. 13.What is the HCF of 2 and 6?
  14. 14.Which of these is a multiple of 4? (a) 13 (b) 21 (c) 24
  15. 15.How many factors does 8 have?
  16. 16.What is the HCF of 5 and 40?
  17. 17.What is the HCF of 6 and 21?
  18. 18.How many factors does 24 have?
  19. 19.How many factors does 18 have?
  20. 20.What is the HCF of 15 and 21?
  21. 21.Which of these is a multiple of 4? (a) 35 (b) 36 (c) 11
  22. 22.Which of these is a multiple of 5? (a) 21 (b) 17 (c) 35
  23. 23.Is 9 a factor of 30? (a) Yes (b) No
  24. 24.Is 7 a factor of 46? (a) No (b) Yes
  25. 25.What is the LCM of 12 and 15?
  26. 26.Which of these is a multiple of 12? (a) 36 (b) 114 (c) 40
  27. 27.Which of these is a factor of 40? (a) 13 (b) 6 (c) 2
  28. 28.Which of these is a prime number? (a) 18 (b) 14 (c) 7
  29. 29.Which of these is a prime number? (a) 25 (b) 45 (c) 2
  30. 30.What is the LCM of 9 and 12?
  31. 31.What is the HCF of 28 and 63?
  32. 32.Which of these is a prime number? (a) 33 (b) 21 (c) 11
  33. 33.What is the LCM of 5 and 9?
  34. 34.Is 3 a factor of 18? (a) No (b) Yes
  35. 35.Which of these is a multiple of 5? (a) 10 (b) 24 (c) 23
  36. 36.What is the HCF of 4 and 24?
  37. 37.Which of these is a prime number? (a) 49 (b) 9 (c) 19
  38. 38.Which of these is a multiple of 5? (a) 45 (b) 21 (c) 29
  39. 39.Is 4 a factor of 43? (a) No (b) Yes
  40. 40.What is the LCM of 9 and 10?

Answer key

  1. 5
  2. 22
  3. No
  4. 7
  5. No
  6. No
  7. 4
  8. 56
  9. 8
  10. 8
  11. No
  12. Yes
  13. 2
  14. 24
  15. 4
  16. 5
  17. 3
  18. 8
  19. 6
  20. 3
  21. 36
  22. 35
  23. No
  24. No
  25. 60
  26. 36
  27. 2
  28. 7
  29. 2
  30. 36
  31. 7
  32. 11
  33. 45
  34. Yes
  35. 10
  36. 4
  37. 19
  38. 45
  39. No
  40. 90

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