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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 190 · 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 42 have?
  2. 2.Which of these is a prime number? (a) 35 (b) 5 (c) 46
  3. 3.What is the LCM of 3 and 10?
  4. 4.Which of these is a factor of 40? (a) 21 (b) 10 (c) 34
  5. 5.What is the LCM of 3 and 13?
  6. 6.Is 4 a factor of 20? (a) No (b) Yes
  7. 7.Which of these is a prime number? (a) 39 (b) 11 (c) 18
  8. 8.What is the HCF of 5 and 35?
  9. 9.Which of these is a multiple of 7? (a) 30 (b) 42 (c) 17
  10. 10.What is the LCM of 7 and 10?
  11. 11.What is the LCM of 7 and 12?
  12. 12.How many factors does 21 have?
  13. 13.What is the LCM of 2 and 15?
  14. 14.Which of these is a multiple of 6? (a) 44 (b) 29 (c) 48
  15. 15.Which of these is a factor of 42? (a) 13 (b) 3 (c) 27
  16. 16.Which of these is a factor of 20? (a) 3 (b) 18 (c) 10
  17. 17.Which of these is a prime number? (a) 9 (b) 21 (c) 43
  18. 18.Which of these is a prime number? (a) 21 (b) 34 (c) 31
  19. 19.Which of these is a multiple of 8? (a) 77 (b) 56 (c) 79
  20. 20.Is 2 a factor of 6? (a) Yes (b) No
  21. 21.Is 9 a factor of 54? (a) Yes (b) No
  22. 22.How many factors does 16 have?
  23. 23.Which of these is a prime number? (a) 21 (b) 37 (c) 40
  24. 24.What is the LCM of 4 and 5?
  25. 25.What is the HCF of 8 and 12?
  26. 26.What is the LCM of 2 and 3?
  27. 27.What is the LCM of 6 and 13?
  28. 28.Is 4 a factor of 23? (a) Yes (b) No
  29. 29.Which of these is a multiple of 6? (a) 35 (b) 12 (c) 13
  30. 30.Is 3 a factor of 29? (a) No (b) Yes
  31. 31.What is the LCM of 2 and 13?
  32. 32.How many factors does 24 have?
  33. 33.Which of these is a prime number? (a) 19 (b) 45 (c) 40
  34. 34.Which of these is a multiple of 4? (a) 25 (b) 39 (c) 16
  35. 35.Which of these is a factor of 30? (a) 5 (b) 23 (c) 24
  36. 36.How many factors does 10 have?
  37. 37.Which of these is a multiple of 12? (a) 107 (b) 25 (c) 72
  38. 38.What is the HCF of 6 and 42?
  39. 39.How many factors does 12 have?
  40. 40.How many factors does 36 have?

Answer key

  1. 8
  2. 5
  3. 30
  4. 10
  5. 39
  6. Yes
  7. 11
  8. 5
  9. 42
  10. 70
  11. 84
  12. 4
  13. 30
  14. 48
  15. 3
  16. 10
  17. 43
  18. 31
  19. 56
  20. Yes
  21. Yes
  22. 5
  23. 37
  24. 20
  25. 4
  26. 6
  27. 78
  28. No
  29. 12
  30. No
  31. 26
  32. 8
  33. 19
  34. 16
  35. 5
  36. 4
  37. 72
  38. 6
  39. 6
  40. 9

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