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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 68 · 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 10 have?
  2. 2.Which of these is a factor of 36? (a) 23 (b) 18 (c) 27
  3. 3.Which of these is a multiple of 4? (a) 9 (b) 33 (c) 28
  4. 4.Which of these is a factor of 40? (a) 2 (b) 29 (c) 15
  5. 5.How many factors does 40 have?
  6. 6.What is the LCM of 8 and 12?
  7. 7.What is the LCM of 3 and 7?
  8. 8.What is the HCF of 36 and 45?
  9. 9.How many factors does 16 have?
  10. 10.What is the HCF of 10 and 12?
  11. 11.Is 8 a factor of 23? (a) Yes (b) No
  12. 12.Which of these is a prime number? (a) 16 (b) 42 (c) 11
  13. 13.How many factors does 42 have?
  14. 14.How many factors does 6 have?
  15. 15.How many factors does 8 have?
  16. 16.What is the HCF of 9 and 21?
  17. 17.What is the LCM of 6 and 14?
  18. 18.Which of these is a multiple of 6? (a) 42 (b) 43 (c) 35
  19. 19.Which of these is a prime number? (a) 47 (b) 39 (c) 22
  20. 20.Which of these is a factor of 20? (a) 19 (b) 16 (c) 4
  21. 21.Is 6 a factor of 12? (a) No (b) Yes
  22. 22.How many factors does 14 have?
  23. 23.Is 8 a factor of 65? (a) Yes (b) No
  24. 24.Which of these is a multiple of 7? (a) 42 (b) 57 (c) 34
  25. 25.What is the HCF of 16 and 40?
  26. 26.What is the LCM of 7 and 8?
  27. 27.What is the HCF of 14 and 16?
  28. 28.Which of these is a multiple of 11? (a) 45 (b) 38 (c) 66
  29. 29.Which of these is a prime number? (a) 15 (b) 23 (c) 34
  30. 30.What is the LCM of 9 and 15?
  31. 31.Which of these is a factor of 36? (a) 35 (b) 9 (c) 5
  32. 32.Which of these is a factor of 60? (a) 5 (b) 17 (c) 51
  33. 33.Which of these is a factor of 36? (a) 33 (b) 4 (c) 17
  34. 34.How many factors does 24 have?
  35. 35.Which of these is a factor of 12? (a) 5 (b) 10 (c) 4
  36. 36.What is the LCM of 5 and 11?
  37. 37.How many factors does 15 have?
  38. 38.Which of these is a factor of 48? (a) 35 (b) 12 (c) 20
  39. 39.Is 4 a factor of 11? (a) Yes (b) No
  40. 40.Which of these is a factor of 48? (a) 26 (b) 32 (c) 3

Answer key

  1. 4
  2. 18
  3. 28
  4. 2
  5. 8
  6. 24
  7. 21
  8. 9
  9. 5
  10. 2
  11. No
  12. 11
  13. 8
  14. 4
  15. 4
  16. 3
  17. 42
  18. 42
  19. 47
  20. 4
  21. Yes
  22. 4
  23. No
  24. 42
  25. 8
  26. 56
  27. 2
  28. 66
  29. 23
  30. 45
  31. 9
  32. 5
  33. 4
  34. 8
  35. 4
  36. 55
  37. 4
  38. 12
  39. No
  40. 3

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