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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 304 · 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.What is the LCM of 8 and 12?
  2. 2.How many factors does 8 have?
  3. 3.What is the LCM of 5 and 7?
  4. 4.How many factors does 10 have?
  5. 5.Which of these is a prime number? (a) 6 (b) 37 (c) 28
  6. 6.What is the LCM of 5 and 8?
  7. 7.How many factors does 15 have?
  8. 8.Which of these is a multiple of 5? (a) 22 (b) 42 (c) 35
  9. 9.Which of these is a prime number? (a) 27 (b) 47 (c) 30
  10. 10.Is 5 a factor of 11? (a) No (b) Yes
  11. 11.What is the HCF of 35 and 49?
  12. 12.Which of these is a factor of 40? (a) 7 (b) 2 (c) 32
  13. 13.What is the LCM of 9 and 12?
  14. 14.Which of these is a prime number? (a) 18 (b) 33 (c) 43
  15. 15.How many factors does 18 have?
  16. 16.Which of these is a factor of 40? (a) 26 (b) 5 (c) 7
  17. 17.Which of these is a factor of 30? (a) 12 (b) 7 (c) 3
  18. 18.Which of these is a prime number? (a) 36 (b) 11 (c) 48
  19. 19.Which of these is a factor of 36? (a) 34 (b) 26 (c) 6
  20. 20.How many factors does 21 have?
  21. 21.Which of these is a prime number? (a) 7 (b) 9 (c) 6
  22. 22.What is the LCM of 12 and 15?
  23. 23.Which of these is a factor of 12? (a) 8 (b) 2 (c) 11
  24. 24.What is the HCF of 6 and 21?
  25. 25.What is the LCM of 2 and 11?
  26. 26.What is the HCF of 42 and 54?
  27. 27.What is the LCM of 10 and 15?
  28. 28.Which of these is a factor of 48? (a) 27 (b) 3 (c) 19
  29. 29.What is the LCM of 9 and 15?
  30. 30.Which of these is a multiple of 7? (a) 36 (b) 49 (c) 55
  31. 31.Which of these is a multiple of 11? (a) 38 (b) 22 (c) 35
  32. 32.Which of these is a prime number? (a) 9 (b) 17 (c) 48
  33. 33.Which of these is a multiple of 7? (a) 19 (b) 28 (c) 68
  34. 34.Which of these is a factor of 20? (a) 5 (b) 13 (c) 12
  35. 35.What is the LCM of 3 and 13?
  36. 36.Which of these is a multiple of 11? (a) 43 (b) 99 (c) 80
  37. 37.Which of these is a factor of 20? (a) 10 (b) 19 (c) 6
  38. 38.Which of these is a prime number? (a) 5 (b) 4 (c) 6
  39. 39.How many factors does 36 have?
  40. 40.What is the LCM of 2 and 7?

Answer key

  1. 24
  2. 4
  3. 35
  4. 4
  5. 37
  6. 40
  7. 4
  8. 35
  9. 47
  10. No
  11. 7
  12. 2
  13. 36
  14. 43
  15. 6
  16. 5
  17. 3
  18. 11
  19. 6
  20. 4
  21. 7
  22. 60
  23. 2
  24. 3
  25. 22
  26. 6
  27. 30
  28. 3
  29. 45
  30. 49
  31. 22
  32. 17
  33. 28
  34. 5
  35. 39
  36. 99
  37. 10
  38. 5
  39. 9
  40. 14

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