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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 261 · 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.Which of these is a multiple of 7? (a) 21 (b) 46 (c) 53
  2. 2.What is the LCM of 5 and 12?
  3. 3.What is the HCF of 35 and 56?
  4. 4.What is the HCF of 8 and 40?
  5. 5.What is the LCM of 6 and 15?
  6. 6.What is the LCM of 6 and 13?
  7. 7.What is the LCM of 8 and 14?
  8. 8.What is the LCM of 6 and 9?
  9. 9.Which of these is a prime number? (a) 42 (b) 31 (c) 18
  10. 10.How many factors does 40 have?
  11. 11.Is 6 a factor of 36? (a) No (b) Yes
  12. 12.Which of these is a factor of 36? (a) 6 (b) 13 (c) 29
  13. 13.Which of these is a factor of 20? (a) 5 (b) 12 (c) 11
  14. 14.Which of these is a prime number? (a) 24 (b) 2 (c) 12
  15. 15.Which of these is a multiple of 4? (a) 20 (b) 11 (c) 30
  16. 16.Which of these is a multiple of 12? (a) 36 (b) 86 (c) 50
  17. 17.Which of these is a factor of 30? (a) 16 (b) 6 (c) 14
  18. 18.Which of these is a prime number? (a) 21 (b) 40 (c) 13
  19. 19.What is the HCF of 14 and 63?
  20. 20.What is the LCM of 6 and 7?
  21. 21.What is the LCM of 7 and 8?
  22. 22.What is the HCF of 2 and 4?
  23. 23.What is the HCF of 6 and 8?
  24. 24.What is the LCM of 7 and 9?
  25. 25.Which of these is a factor of 18? (a) 3 (b) 11 (c) 8
  26. 26.What is the HCF of 12 and 16?
  27. 27.Which of these is a multiple of 5? (a) 23 (b) 44 (c) 20
  28. 28.What is the LCM of 3 and 7?
  29. 29.Which of these is a prime number? (a) 5 (b) 26 (c) 33
  30. 30.What is the HCF of 10 and 18?
  31. 31.What is the LCM of 2 and 15?
  32. 32.How many factors does 14 have?
  33. 33.Is 3 a factor of 16? (a) No (b) Yes
  34. 34.What is the HCF of 6 and 54?
  35. 35.Which of these is a prime number? (a) 34 (b) 23 (c) 22
  36. 36.Which of these is a multiple of 9? (a) 63 (b) 19 (c) 30
  37. 37.Is 4 a factor of 15? (a) Yes (b) No
  38. 38.Which of these is a prime number? (a) 6 (b) 41 (c) 30
  39. 39.Is 6 a factor of 30? (a) Yes (b) No
  40. 40.What is the LCM of 2 and 3?

Answer key

  1. 21
  2. 60
  3. 7
  4. 8
  5. 30
  6. 78
  7. 56
  8. 18
  9. 31
  10. 8
  11. Yes
  12. 6
  13. 5
  14. 2
  15. 20
  16. 36
  17. 6
  18. 13
  19. 7
  20. 42
  21. 56
  22. 2
  23. 2
  24. 63
  25. 3
  26. 4
  27. 20
  28. 21
  29. 5
  30. 2
  31. 30
  32. 4
  33. No
  34. 6
  35. 23
  36. 63
  37. No
  38. 41
  39. Yes
  40. 6

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