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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 214 · 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 20? (a) 16 (b) 5 (c) 17
  2. 2.Which of these is a multiple of 3? (a) 19 (b) 9 (c) 8
  3. 3.Which of these is a factor of 36? (a) 28 (b) 7 (c) 3
  4. 4.How many factors does 48 have?
  5. 5.Which of these is a prime number? (a) 23 (b) 50 (c) 27
  6. 6.Which of these is a factor of 40? (a) 25 (b) 20 (c) 32
  7. 7.Which of these is a multiple of 11? (a) 68 (b) 44 (c) 34
  8. 8.Which of these is a multiple of 3? (a) 15 (b) 7 (c) 13
  9. 9.How many factors does 36 have?
  10. 10.How many factors does 30 have?
  11. 11.Is 9 a factor of 91? (a) Yes (b) No
  12. 12.What is the LCM of 8 and 9?
  13. 13.What is the LCM of 12 and 15?
  14. 14.What is the LCM of 4 and 11?
  15. 15.Which of these is a multiple of 8? (a) 42 (b) 19 (c) 32
  16. 16.What is the HCF of 12 and 21?
  17. 17.Which of these is a factor of 60? (a) 42 (b) 11 (c) 3
  18. 18.Which of these is a factor of 18? (a) 12 (b) 6 (c) 15
  19. 19.How many factors does 8 have?
  20. 20.Which of these is a factor of 36? (a) 17 (b) 32 (c) 12
  21. 21.What is the HCF of 9 and 81?
  22. 22.What is the HCF of 12 and 18?
  23. 23.How many factors does 15 have?
  24. 24.Which of these is a factor of 40? (a) 10 (b) 34 (c) 14
  25. 25.Which of these is a multiple of 8? (a) 55 (b) 30 (c) 64
  26. 26.Is 6 a factor of 76? (a) No (b) Yes
  27. 27.What is the HCF of 12 and 54?
  28. 28.Which of these is a factor of 60? (a) 24 (b) 46 (c) 5
  29. 29.What is the LCM of 7 and 8?
  30. 30.How many factors does 42 have?
  31. 31.What is the HCF of 12 and 32?
  32. 32.What is the HCF of 2 and 18?
  33. 33.Which of these is a prime number? (a) 35 (b) 31 (c) 42
  34. 34.What is the LCM of 8 and 12?
  35. 35.Which of these is a prime number? (a) 36 (b) 37 (c) 35
  36. 36.How many factors does 10 have?
  37. 37.What is the HCF of 3 and 12?
  38. 38.Is 9 a factor of 23? (a) Yes (b) No
  39. 39.What is the HCF of 5 and 25?
  40. 40.What is the HCF of 2 and 10?

Answer key

  1. 5
  2. 9
  3. 3
  4. 10
  5. 23
  6. 20
  7. 44
  8. 15
  9. 9
  10. 8
  11. No
  12. 72
  13. 60
  14. 44
  15. 32
  16. 3
  17. 3
  18. 6
  19. 4
  20. 12
  21. 9
  22. 6
  23. 4
  24. 10
  25. 64
  26. No
  27. 6
  28. 5
  29. 56
  30. 8
  31. 4
  32. 2
  33. 31
  34. 24
  35. 37
  36. 4
  37. 3
  38. No
  39. 5
  40. 2

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