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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 50 · 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 28 have?
  2. 2.How many factors does 45 have?
  3. 3.Is 4 a factor of 47? (a) No (b) Yes
  4. 4.What is the HCF of 18 and 63?
  5. 5.Which of these is a factor of 48? (a) 24 (b) 25 (c) 7
  6. 6.Which of these is a multiple of 7? (a) 17 (b) 41 (c) 49
  7. 7.Which of these is a factor of 24? (a) 17 (b) 22 (c) 2
  8. 8.Which of these is a prime number? (a) 37 (b) 30 (c) 9
  9. 9.Which of these is a factor of 48? (a) 32 (b) 10 (c) 12
  10. 10.Is 5 a factor of 55? (a) Yes (b) No
  11. 11.What is the HCF of 7 and 21?
  12. 12.Is 6 a factor of 54? (a) No (b) Yes
  13. 13.What is the LCM of 5 and 13?
  14. 14.What is the LCM of 2 and 15?
  15. 15.How many factors does 15 have?
  16. 16.How many factors does 18 have?
  17. 17.Which of these is a prime number? (a) 17 (b) 39 (c) 6
  18. 18.How many factors does 16 have?
  19. 19.Which of these is a factor of 20? (a) 15 (b) 18 (c) 5
  20. 20.Which of these is a multiple of 9? (a) 27 (b) 44 (c) 55
  21. 21.What is the LCM of 3 and 13?
  22. 22.How many factors does 40 have?
  23. 23.What is the HCF of 18 and 30?
  24. 24.Which of these is a factor of 18? (a) 3 (b) 5 (c) 15
  25. 25.Which of these is a multiple of 8? (a) 72 (b) 79
  26. 26.Which of these is a factor of 20? (a) 3 (b) 6 (c) 2
  27. 27.Is 7 a factor of 75? (a) Yes (b) No
  28. 28.Is 2 a factor of 6? (a) No (b) Yes
  29. 29.What is the LCM of 8 and 14?
  30. 30.Is 3 a factor of 34? (a) Yes (b) No
  31. 31.What is the HCF of 6 and 12?
  32. 32.What is the HCF of 24 and 56?
  33. 33.Which of these is a multiple of 9? (a) 51 (b) 68 (c) 54
  34. 34.What is the LCM of 5 and 7?
  35. 35.What is the HCF of 42 and 48?
  36. 36.Is 5 a factor of 41? (a) Yes (b) No
  37. 37.Which of these is a factor of 24? (a) 17 (b) 12 (c) 9
  38. 38.Which of these is a prime number? (a) 13 (b) 39 (c) 28
  39. 39.What is the LCM of 7 and 11?
  40. 40.Which of these is a factor of 20? (a) 10 (b) 14 (c) 3

Answer key

  1. 6
  2. 6
  3. No
  4. 9
  5. 24
  6. 49
  7. 2
  8. 37
  9. 12
  10. Yes
  11. 7
  12. Yes
  13. 65
  14. 30
  15. 4
  16. 6
  17. 17
  18. 5
  19. 5
  20. 27
  21. 39
  22. 8
  23. 6
  24. 3
  25. 72
  26. 2
  27. No
  28. Yes
  29. 56
  30. No
  31. 6
  32. 8
  33. 54
  34. 35
  35. 6
  36. No
  37. 12
  38. 13
  39. 77
  40. 10

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