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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 71 · 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) 14 (b) 5 (c) 9
  2. 2.Which of these is a factor of 30? (a) 27 (b) 13 (c) 10
  3. 3.Which of these is a factor of 40? (a) 5 (b) 22 (c) 25
  4. 4.How many factors does 36 have?
  5. 5.Which of these is a multiple of 11? (a) 73 (b) 80 (c) 88
  6. 6.Which of these is a prime number? (a) 12 (b) 27 (c) 47
  7. 7.Which of these is a factor of 24? (a) 11 (b) 10 (c) 2
  8. 8.How many factors does 12 have?
  9. 9.What is the LCM of 6 and 14?
  10. 10.Which of these is a factor of 18? (a) 4 (b) 6 (c) 13
  11. 11.Which of these is a multiple of 7? (a) 59 (b) 19 (c) 49
  12. 12.How many factors does 45 have?
  13. 13.Which of these is a multiple of 3? (a) 27 (b) 10 (c) 19
  14. 14.Which of these is a multiple of 10? (a) 27 (b) 50 (c) 85
  15. 15.What is the LCM of 7 and 12?
  16. 16.Which of these is a multiple of 7? (a) 43 (b) 63 (c) 24
  17. 17.Is 4 a factor of 40? (a) Yes (b) No
  18. 18.Which of these is a factor of 42? (a) 32 (b) 2 (c) 4
  19. 19.How many factors does 32 have?
  20. 20.What is the HCF of 8 and 20?
  21. 21.What is the LCM of 7 and 9?
  22. 22.What is the LCM of 3 and 13?
  23. 23.What is the LCM of 8 and 11?
  24. 24.Is 4 a factor of 23? (a) No (b) Yes
  25. 25.Which of these is a prime number? (a) 24 (b) 3 (c) 28
  26. 26.Which of these is a factor of 60? (a) 46 (b) 9 (c) 5
  27. 27.Which of these is a factor of 24? (a) 16 (b) 4 (c) 5
  28. 28.Which of these is a factor of 20? (a) 3 (b) 19 (c) 2
  29. 29.Is 8 a factor of 80? (a) Yes (b) No
  30. 30.Which of these is a multiple of 7? (a) 24 (b) 16 (c) 35
  31. 31.Which of these is a prime number? (a) 8 (b) 2 (c) 15
  32. 32.How many factors does 40 have?
  33. 33.Which of these is a multiple of 4? (a) 22 (b) 10 (c) 12
  34. 34.Which of these is a prime number? (a) 11 (b) 16 (c) 18
  35. 35.What is the LCM of 4 and 11?
  36. 36.Which of these is a multiple of 7? (a) 67 (b) 21 (c) 61
  37. 37.What is the LCM of 8 and 10?
  38. 38.Which of these is a multiple of 7? (a) 42 (b) 15 (c) 65
  39. 39.Which of these is a multiple of 3? (a) 22 (b) 18 (c) 23
  40. 40.How many factors does 8 have?

Answer key

  1. 5
  2. 10
  3. 5
  4. 9
  5. 88
  6. 47
  7. 2
  8. 6
  9. 42
  10. 6
  11. 49
  12. 6
  13. 27
  14. 50
  15. 84
  16. 63
  17. Yes
  18. 2
  19. 6
  20. 4
  21. 63
  22. 39
  23. 88
  24. No
  25. 3
  26. 5
  27. 4
  28. 2
  29. Yes
  30. 35
  31. 2
  32. 8
  33. 12
  34. 11
  35. 44
  36. 21
  37. 40
  38. 42
  39. 18
  40. 4

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