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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 84 · 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) 19 (b) 8 (c) 27
  2. 2.What is the HCF of 20 and 28?
  3. 3.Is 7 a factor of 38? (a) Yes (b) No
  4. 4.Which of these is a factor of 20? (a) 3 (b) 10 (c) 15
  5. 5.Which of these is a multiple of 5? (a) 25 (b) 17 (c) 22
  6. 6.How many factors does 36 have?
  7. 7.Which of these is a multiple of 5? (a) 30 (b) 43 (c) 17
  8. 8.How many factors does 10 have?
  9. 9.Which of these is a factor of 18? (a) 5 (b) 7 (c) 2
  10. 10.Which of these is a multiple of 8? (a) 76 (b) 65 (c) 48
  11. 11.What is the LCM of 6 and 13?
  12. 12.What is the HCF of 10 and 18?
  13. 13.Is 2 a factor of 4? (a) No (b) Yes
  14. 14.Which of these is a factor of 40? (a) 2 (b) 13 (c) 22
  15. 15.Which of these is a multiple of 10? (a) 80 (b) 96 (c) 35
  16. 16.Which of these is a factor of 12? (a) 10 (b) 6 (c) 8
  17. 17.Which of these is a multiple of 4? (a) 39 (b) 8 (c) 31
  18. 18.What is the HCF of 3 and 12?
  19. 19.How many factors does 21 have?
  20. 20.Is 8 a factor of 61? (a) No (b) Yes
  21. 21.What is the HCF of 2 and 18?
  22. 22.What is the HCF of 42 and 54?
  23. 23.Which of these is a prime number? (a) 47 (b) 20 (c) 26
  24. 24.How many factors does 15 have?
  25. 25.How many factors does 28 have?
  26. 26.How many factors does 32 have?
  27. 27.Which of these is a factor of 20? (a) 5 (b) 6 (c) 17
  28. 28.Which of these is a factor of 36? (a) 24 (b) 30 (c) 12
  29. 29.Is 3 a factor of 18? (a) No (b) Yes
  30. 30.What is the LCM of 6 and 10?
  31. 31.Which of these is a factor of 36? (a) 7 (b) 3 (c) 21
  32. 32.What is the HCF of 24 and 30?
  33. 33.Is 7 a factor of 75? (a) No (b) Yes
  34. 34.Is 3 a factor of 19? (a) No (b) Yes
  35. 35.Is 2 a factor of 14? (a) No (b) Yes
  36. 36.What is the HCF of 3 and 21?
  37. 37.What is the HCF of 9 and 21?
  38. 38.What is the HCF of 5 and 20?
  39. 39.Which of these is a prime number? (a) 30 (b) 3 (c) 44
  40. 40.Is 6 a factor of 59? (a) Yes (b) No

Answer key

  1. 19
  2. 4
  3. No
  4. 10
  5. 25
  6. 9
  7. 30
  8. 4
  9. 2
  10. 48
  11. 78
  12. 2
  13. Yes
  14. 2
  15. 80
  16. 6
  17. 8
  18. 3
  19. 4
  20. No
  21. 2
  22. 6
  23. 47
  24. 4
  25. 6
  26. 6
  27. 5
  28. 12
  29. Yes
  30. 30
  31. 3
  32. 6
  33. No
  34. No
  35. Yes
  36. 3
  37. 3
  38. 5
  39. 3
  40. No

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