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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 187 · 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 prime number? (a) 34 (b) 50 (c) 23
  2. 2.Which of these is a factor of 18? (a) 15 (b) 11 (c) 6
  3. 3.What is the LCM of 3 and 5?
  4. 4.How many factors does 10 have?
  5. 5.What is the LCM of 4 and 11?
  6. 6.Is 9 a factor of 18? (a) No (b) Yes
  7. 7.What is the LCM of 2 and 11?
  8. 8.How many factors does 14 have?
  9. 9.Is 4 a factor of 8? (a) No (b) Yes
  10. 10.What is the LCM of 6 and 9?
  11. 11.Which of these is a prime number? (a) 25 (b) 13 (c) 26
  12. 12.What is the HCF of 24 and 64?
  13. 13.How many factors does 16 have?
  14. 14.Which of these is a factor of 18? (a) 9 (b) 8 (c) 13
  15. 15.What is the LCM of 6 and 11?
  16. 16.Is 3 a factor of 6? (a) Yes (b) No
  17. 17.What is the HCF of 18 and 27?
  18. 18.What is the HCF of 10 and 14?
  19. 19.What is the HCF of 21 and 35?
  20. 20.Which of these is a factor of 36? (a) 19 (b) 2 (c) 16
  21. 21.What is the LCM of 2 and 5?
  22. 22.Is 3 a factor of 23? (a) Yes (b) No
  23. 23.Which of these is a multiple of 11? (a) 106 (b) 88 (c) 81
  24. 24.Which of these is a multiple of 6? (a) 48 (b) 20 (c) 23
  25. 25.How many factors does 12 have?
  26. 26.Which of these is a factor of 48? (a) 33 (b) 19 (c) 16
  27. 27.Is 4 a factor of 31? (a) Yes (b) No
  28. 28.Is 2 a factor of 7? (a) Yes (b) No
  29. 29.Which of these is a multiple of 4? (a) 39 (b) 13 (c) 24
  30. 30.How many factors does 6 have?
  31. 31.What is the LCM of 12 and 14?
  32. 32.Is 3 a factor of 15? (a) No (b) Yes
  33. 33.How many factors does 36 have?
  34. 34.What is the HCF of 3 and 21?
  35. 35.Is 7 a factor of 70? (a) No (b) Yes
  36. 36.Which of these is a prime number? (a) 36 (b) 49 (c) 43
  37. 37.Which of these is a prime number? (a) 16 (b) 48 (c) 29
  38. 38.What is the LCM of 3 and 7?
  39. 39.How many factors does 18 have?
  40. 40.How many factors does 20 have?

Answer key

  1. 23
  2. 6
  3. 15
  4. 4
  5. 44
  6. Yes
  7. 22
  8. 4
  9. Yes
  10. 18
  11. 13
  12. 8
  13. 5
  14. 9
  15. 66
  16. Yes
  17. 9
  18. 2
  19. 7
  20. 2
  21. 10
  22. No
  23. 88
  24. 48
  25. 6
  26. 16
  27. No
  28. No
  29. 24
  30. 4
  31. 84
  32. Yes
  33. 9
  34. 3
  35. Yes
  36. 43
  37. 29
  38. 21
  39. 6
  40. 6

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