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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 251 · 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.Is 6 a factor of 17? (a) No (b) Yes
  2. 2.How many factors does 48 have?
  3. 3.Which of these is a prime number? (a) 36 (b) 17 (c) 10
  4. 4.Is 4 a factor of 28? (a) No (b) Yes
  5. 5.Which of these is a prime number? (a) 34 (b) 37 (c) 25
  6. 6.What is the HCF of 3 and 21?
  7. 7.How many factors does 20 have?
  8. 8.Which of these is a multiple of 10? (a) 61 (b) 83 (c) 50
  9. 9.Which of these is a factor of 18? (a) 9 (b) 16 (c) 15
  10. 10.How many factors does 32 have?
  11. 11.Is 2 a factor of 17? (a) No (b) Yes
  12. 12.Which of these is a prime number? (a) 12 (b) 23 (c) 49
  13. 13.What is the HCF of 35 and 40?
  14. 14.Is 2 a factor of 10? (a) Yes (b) No
  15. 15.Which of these is a prime number? (a) 32 (b) 4 (c) 43
  16. 16.What is the LCM of 6 and 8?
  17. 17.What is the LCM of 6 and 7?
  18. 18.What is the HCF of 6 and 12?
  19. 19.Which of these is a factor of 48? (a) 3 (b) 41 (c) 17
  20. 20.What is the HCF of 49 and 56?
  21. 21.Is 4 a factor of 39? (a) Yes (b) No
  22. 22.How many factors does 21 have?
  23. 23.What is the LCM of 5 and 6?
  24. 24.How many factors does 42 have?
  25. 25.What is the HCF of 7 and 42?
  26. 26.How many factors does 18 have?
  27. 27.Which of these is a multiple of 5? (a) 49 (b) 24 (c) 45
  28. 28.Which of these is a prime number? (a) 5 (b) 18 (c) 22
  29. 29.Which of these is a multiple of 4? (a) 24 (b) 13 (c) 10
  30. 30.Which of these is a prime number? (a) 7 (b) 24 (c) 42
  31. 31.How many factors does 24 have?
  32. 32.Which of these is a prime number? (a) 18 (b) 11 (c) 9
  33. 33.How many factors does 16 have?
  34. 34.Which of these is a prime number? (a) 3 (b) 35 (c) 20
  35. 35.What is the HCF of 24 and 56?
  36. 36.What is the LCM of 7 and 11?
  37. 37.Which of these is a multiple of 12? (a) 36 (b) 44 (c) 42
  38. 38.What is the LCM of 5 and 8?
  39. 39.What is the HCF of 42 and 48?
  40. 40.What is the LCM of 8 and 12?

Answer key

  1. No
  2. 10
  3. 17
  4. Yes
  5. 37
  6. 3
  7. 6
  8. 50
  9. 9
  10. 6
  11. No
  12. 23
  13. 5
  14. Yes
  15. 43
  16. 24
  17. 42
  18. 6
  19. 3
  20. 7
  21. No
  22. 4
  23. 30
  24. 8
  25. 7
  26. 6
  27. 45
  28. 5
  29. 24
  30. 7
  31. 8
  32. 11
  33. 5
  34. 3
  35. 8
  36. 77
  37. 36
  38. 40
  39. 6
  40. 24

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