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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 57 · 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.Which of these is a factor of 18? (a) 13 (b) 14 (c) 2
  2. 2.What is the HCF of 18 and 45?
  3. 3.What is the HCF of 15 and 24?
  4. 4.Which of these is a multiple of 10? (a) 27 (b) 57 (c) 40
  5. 5.Is 6 a factor of 12? (a) Yes (b) No
  6. 6.How many factors does 45 have?
  7. 7.What is the HCF of 18 and 30?
  8. 8.What is the LCM of 3 and 13?
  9. 9.Which of these is a multiple of 3? (a) 14 (b) 15 (c) 20
  10. 10.Which of these is a prime number? (a) 28 (b) 38 (c) 5
  11. 11.What is the HCF of 14 and 35?
  12. 12.What is the LCM of 7 and 8?
  13. 13.Which of these is a multiple of 9? (a) 54 (b) 43 (c) 60
  14. 14.Which of these is a prime number? (a) 15 (b) 28 (c) 41
  15. 15.What is the LCM of 4 and 13?
  16. 16.How many factors does 24 have?
  17. 17.Which of these is a multiple of 12? (a) 117 (b) 24 (c) 63
  18. 18.What is the HCF of 8 and 56?
  19. 19.What is the LCM of 3 and 5?
  20. 20.How many factors does 15 have?
  21. 21.What is the HCF of 12 and 27?
  22. 22.Which of these is a multiple of 8? (a) 42 (b) 37 (c) 40
  23. 23.How many factors does 40 have?
  24. 24.Which of these is a factor of 24? (a) 12 (b) 9 (c) 22
  25. 25.What is the HCF of 6 and 8?
  26. 26.Which of these is a prime number? (a) 30 (b) 11 (c) 25
  27. 27.Is 4 a factor of 35? (a) Yes (b) No
  28. 28.What is the HCF of 42 and 49?
  29. 29.Is 6 a factor of 18? (a) Yes (b) No
  30. 30.What is the HCF of 9 and 12?
  31. 31.What is the LCM of 7 and 10?
  32. 32.What is the LCM of 3 and 4?
  33. 33.Is 6 a factor of 66? (a) No (b) Yes
  34. 34.Which of these is a prime number? (a) 31 (b) 10 (c) 15
  35. 35.How many factors does 16 have?
  36. 36.What is the HCF of 12 and 54?
  37. 37.Which of these is a multiple of 10? (a) 90 (b) 47 (c) 89
  38. 38.What is the LCM of 3 and 10?
  39. 39.What is the LCM of 10 and 12?
  40. 40.Which of these is a prime number? (a) 14 (b) 28 (c) 2

Answer key

  1. 2
  2. 9
  3. 3
  4. 40
  5. Yes
  6. 6
  7. 6
  8. 39
  9. 15
  10. 5
  11. 7
  12. 56
  13. 54
  14. 41
  15. 52
  16. 8
  17. 24
  18. 8
  19. 15
  20. 4
  21. 3
  22. 40
  23. 8
  24. 12
  25. 2
  26. 11
  27. No
  28. 7
  29. Yes
  30. 3
  31. 70
  32. 12
  33. Yes
  34. 31
  35. 5
  36. 6
  37. 90
  38. 30
  39. 60
  40. 2

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