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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 3 · 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 3? (a) 28 (b) 26 (c) 12
  2. 2.Which of these is a prime number? (a) 2 (b) 8 (c) 16
  3. 3.Which of these is a prime number? (a) 43 (b) 38 (c) 9
  4. 4.How many factors does 32 have?
  5. 5.Which of these is a prime number? (a) 23 (b) 21 (c) 20
  6. 6.What is the LCM of 2 and 5?
  7. 7.How many factors does 45 have?
  8. 8.Which of these is a factor of 40? (a) 30 (b) 5 (c) 22
  9. 9.How many factors does 12 have?
  10. 10.How many factors does 10 have?
  11. 11.What is the LCM of 10 and 15?
  12. 12.What is the LCM of 10 and 14?
  13. 13.What is the LCM of 5 and 14?
  14. 14.Which of these is a multiple of 12? (a) 72 (b) 64 (c) 28
  15. 15.Which of these is a multiple of 5? (a) 38 (b) 25 (c) 17
  16. 16.What is the HCF of 16 and 72?
  17. 17.Which of these is a prime number? (a) 42 (b) 29 (c) 33
  18. 18.Which of these is a multiple of 4? (a) 34 (b) 21 (c) 8
  19. 19.Which of these is a prime number? (a) 22 (b) 11 (c) 32
  20. 20.Which of these is a multiple of 6? (a) 32 (b) 46 (c) 24
  21. 21.Which of these is a prime number? (a) 30 (b) 18 (c) 31
  22. 22.Which of these is a prime number? (a) 32 (b) 16 (c) 19
  23. 23.What is the LCM of 3 and 13?
  24. 24.How many factors does 24 have?
  25. 25.Which of these is a prime number? (a) 35 (b) 37 (c) 39
  26. 26.Which of these is a multiple of 11? (a) 67 (b) 99 (c) 109
  27. 27.What is the HCF of 5 and 45?
  28. 28.Is 2 a factor of 11? (a) Yes (b) No
  29. 29.How many factors does 16 have?
  30. 30.What is the HCF of 45 and 81?
  31. 31.What is the HCF of 20 and 45?
  32. 32.Which of these is a factor of 36? (a) 18 (b) 22 (c) 29
  33. 33.Is 4 a factor of 24? (a) Yes (b) No
  34. 34.Which of these is a factor of 48? (a) 47 (b) 43 (c) 16
  35. 35.Which of these is a prime number? (a) 13 (b) 25 (c) 24
  36. 36.Is 7 a factor of 81? (a) No (b) Yes
  37. 37.Is 2 a factor of 8? (a) No (b) Yes
  38. 38.What is the HCF of 20 and 36?
  39. 39.What is the HCF of 3 and 18?
  40. 40.How many factors does 6 have?

Answer key

  1. 12
  2. 2
  3. 43
  4. 6
  5. 23
  6. 10
  7. 6
  8. 5
  9. 6
  10. 4
  11. 30
  12. 70
  13. 70
  14. 72
  15. 25
  16. 8
  17. 29
  18. 8
  19. 11
  20. 24
  21. 31
  22. 19
  23. 39
  24. 8
  25. 37
  26. 99
  27. 5
  28. No
  29. 5
  30. 9
  31. 5
  32. 18
  33. Yes
  34. 16
  35. 13
  36. No
  37. Yes
  38. 4
  39. 3
  40. 4

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