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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 54 · 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.How many factors does 21 have?
  2. 2.Which of these is a prime number? (a) 19 (b) 14 (c) 8
  3. 3.What is the LCM of 8 and 14?
  4. 4.How many factors does 24 have?
  5. 5.Is 4 a factor of 19? (a) No (b) Yes
  6. 6.Which of these is a factor of 18? (a) 14 (b) 6 (c) 17
  7. 7.What is the LCM of 7 and 12?
  8. 8.Which of these is a factor of 12? (a) 5 (b) 3 (c) 9
  9. 9.What is the HCF of 6 and 24?
  10. 10.Is 5 a factor of 45? (a) No (b) Yes
  11. 11.Which of these is a prime number? (a) 42 (b) 22 (c) 11
  12. 12.What is the HCF of 14 and 49?
  13. 13.What is the LCM of 2 and 9?
  14. 14.Which of these is a factor of 20? (a) 2 (b) 13 (c) 17
  15. 15.Which of these is a prime number? (a) 46 (b) 3 (c) 9
  16. 16.Is 4 a factor of 50? (a) Yes (b) No
  17. 17.Which of these is a factor of 36? (a) 2 (b) 29 (c) 28
  18. 18.How many factors does 15 have?
  19. 19.How many factors does 12 have?
  20. 20.Which of these is a prime number? (a) 40 (b) 21 (c) 7
  21. 21.What is the LCM of 6 and 13?
  22. 22.What is the LCM of 5 and 12?
  23. 23.Which of these is a factor of 42? (a) 26 (b) 3 (c) 8
  24. 24.What is the HCF of 15 and 21?
  25. 25.Which of these is a multiple of 3? (a) 14 (b) 9 (c) 11
  26. 26.Which of these is a prime number? (a) 44 (b) 20 (c) 29
  27. 27.Which of these is a factor of 60? (a) 55 (b) 59 (c) 5
  28. 28.Which of these is a factor of 30? (a) 17 (b) 9 (c) 6
  29. 29.How many factors does 28 have?
  30. 30.Is 5 a factor of 26? (a) Yes (b) No
  31. 31.What is the HCF of 28 and 49?
  32. 32.How many factors does 14 have?
  33. 33.Which of these is a factor of 20? (a) 3 (b) 5 (c) 6
  34. 34.How many factors does 45 have?
  35. 35.Which of these is a prime number? (a) 14 (b) 32 (c) 5
  36. 36.What is the LCM of 3 and 14?
  37. 37.What is the LCM of 2 and 11?
  38. 38.Is 9 a factor of 25? (a) Yes (b) No
  39. 39.Which of these is a prime number? (a) 22 (b) 31 (c) 18
  40. 40.Which of these is a multiple of 6? (a) 49 (b) 30 (c) 19

Answer key

  1. 4
  2. 19
  3. 56
  4. 8
  5. No
  6. 6
  7. 84
  8. 3
  9. 6
  10. Yes
  11. 11
  12. 7
  13. 18
  14. 2
  15. 3
  16. No
  17. 2
  18. 4
  19. 6
  20. 7
  21. 78
  22. 60
  23. 3
  24. 3
  25. 9
  26. 29
  27. 5
  28. 6
  29. 6
  30. No
  31. 7
  32. 4
  33. 5
  34. 6
  35. 5
  36. 42
  37. 22
  38. No
  39. 31
  40. 30

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