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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 229 · 40 sums
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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 16 have?
  2. 2.What is the LCM of 3 and 14?
  3. 3.Is 3 a factor of 24? (a) Yes (b) No
  4. 4.What is the LCM of 2 and 3?
  5. 5.Is 2 a factor of 23? (a) Yes (b) No
  6. 6.Which of these is a factor of 20? (a) 17 (b) 13 (c) 10
  7. 7.How many factors does 36 have?
  8. 8.Which of these is a multiple of 7? (a) 46 (b) 68 (c) 14
  9. 9.How many factors does 24 have?
  10. 10.Which of these is a factor of 18? (a) 17 (b) 12 (c) 2
  11. 11.Which of these is a prime number? (a) 46 (b) 37 (c) 16
  12. 12.Which of these is a multiple of 8? (a) 47 (b) 48 (c) 26
  13. 13.What is the HCF of 35 and 45?
  14. 14.What is the HCF of 9 and 18?
  15. 15.What is the LCM of 4 and 9?
  16. 16.Which of these is a factor of 42? (a) 25 (b) 14 (c) 12
  17. 17.Which of these is a multiple of 5? (a) 14 (b) 39 (c) 25
  18. 18.What is the LCM of 6 and 13?
  19. 19.Which of these is a prime number? (a) 45 (b) 47 (c) 24
  20. 20.Which of these is a multiple of 8? (a) 63 (b) 16 (c) 44
  21. 21.Which of these is a prime number? (a) 16 (b) 28 (c) 17
  22. 22.What is the LCM of 8 and 12?
  23. 23.Is 5 a factor of 35? (a) No (b) Yes
  24. 24.Is 2 a factor of 24? (a) No (b) Yes
  25. 25.What is the LCM of 5 and 9?
  26. 26.What is the HCF of 4 and 36?
  27. 27.How many factors does 21 have?
  28. 28.Which of these is a factor of 18? (a) 16 (b) 11 (c) 3
  29. 29.Which of these is a prime number? (a) 43 (b) 45 (c) 12
  30. 30.How many factors does 15 have?
  31. 31.How many factors does 30 have?
  32. 32.What is the HCF of 6 and 9?
  33. 33.Which of these is a prime number? (a) 33 (b) 3 (c) 22
  34. 34.What is the HCF of 6 and 27?
  35. 35.Is 8 a factor of 37? (a) Yes (b) No
  36. 36.Is 8 a factor of 32? (a) No (b) Yes
  37. 37.What is the HCF of 3 and 27?
  38. 38.Which of these is a factor of 48? (a) 4 (b) 14 (c) 35
  39. 39.Which of these is a prime number? (a) 45 (b) 25 (c) 11
  40. 40.What is the HCF of 8 and 18?

Answer key

  1. 5
  2. 42
  3. Yes
  4. 6
  5. No
  6. 10
  7. 9
  8. 14
  9. 8
  10. 2
  11. 37
  12. 48
  13. 5
  14. 9
  15. 36
  16. 14
  17. 25
  18. 78
  19. 47
  20. 16
  21. 17
  22. 24
  23. Yes
  24. Yes
  25. 45
  26. 4
  27. 4
  28. 3
  29. 43
  30. 4
  31. 8
  32. 3
  33. 3
  34. 3
  35. No
  36. Yes
  37. 3
  38. 4
  39. 11
  40. 2

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