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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 243 · 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.What is the LCM of 6 and 8?
  2. 2.Which of these is a prime number? (a) 15 (b) 13 (c) 35
  3. 3.Is 9 a factor of 34? (a) Yes (b) No
  4. 4.Is 7 a factor of 57? (a) No (b) Yes
  5. 5.Is 3 a factor of 21? (a) Yes (b) No
  6. 6.What is the LCM of 2 and 7?
  7. 7.Is 7 a factor of 63? (a) Yes (b) No
  8. 8.Which of these is a multiple of 4? (a) 33 (b) 38 (c) 20
  9. 9.Which of these is a multiple of 5? (a) 47 (b) 10 (c) 11
  10. 10.What is the HCF of 5 and 25?
  11. 11.What is the HCF of 8 and 32?
  12. 12.How many factors does 8 have?
  13. 13.Which of these is a multiple of 6? (a) 42 (b) 46 (c) 47
  14. 14.Which of these is a factor of 42? (a) 2 (b) 40 (c) 8
  15. 15.What is the LCM of 3 and 5?
  16. 16.Which of these is a multiple of 11? (a) 42 (b) 35 (c) 66
  17. 17.How many factors does 45 have?
  18. 18.Which of these is a prime number? (a) 12 (b) 18 (c) 19
  19. 19.Is 3 a factor of 25? (a) Yes (b) No
  20. 20.What is the HCF of 3 and 12?
  21. 21.Which of these is a factor of 42? (a) 10 (b) 3 (c) 11
  22. 22.What is the HCF of 3 and 9?
  23. 23.Is 5 a factor of 53? (a) No (b) Yes
  24. 24.What is the LCM of 5 and 11?
  25. 25.What is the HCF of 4 and 18?
  26. 26.Which of these is a multiple of 8? (a) 72 (b) 73 (c) 57
  27. 27.What is the LCM of 4 and 11?
  28. 28.How many factors does 14 have?
  29. 29.Is 5 a factor of 18? (a) Yes (b) No
  30. 30.What is the HCF of 7 and 28?
  31. 31.What is the HCF of 25 and 30?
  32. 32.Which of these is a factor of 24? (a) 16 (b) 7 (c) 3
  33. 33.What is the LCM of 3 and 4?
  34. 34.Is 2 a factor of 6? (a) No (b) Yes
  35. 35.Which of these is a prime number? (a) 9 (b) 3 (c) 20
  36. 36.Which of these is a multiple of 3? (a) 27 (b) 14 (c) 23
  37. 37.What is the LCM of 5 and 9?
  38. 38.Is 2 a factor of 13? (a) No (b) Yes
  39. 39.Which of these is a factor of 36? (a) 5 (b) 21 (c) 4
  40. 40.How many factors does 24 have?

Answer key

  1. 24
  2. 13
  3. No
  4. No
  5. Yes
  6. 14
  7. Yes
  8. 20
  9. 10
  10. 5
  11. 8
  12. 4
  13. 42
  14. 2
  15. 15
  16. 66
  17. 6
  18. 19
  19. No
  20. 3
  21. 3
  22. 3
  23. No
  24. 55
  25. 2
  26. 72
  27. 44
  28. 4
  29. No
  30. 7
  31. 5
  32. 3
  33. 12
  34. Yes
  35. 3
  36. 27
  37. 45
  38. No
  39. 4
  40. 8

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