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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 289 · 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 prime number? (a) 34 (b) 15 (c) 43
  2. 2.How many factors does 30 have?
  3. 3.Which of these is a factor of 20? (a) 2 (b) 15 (c) 16
  4. 4.Which of these is a factor of 24? (a) 3 (b) 9 (c) 13
  5. 5.Which of these is a multiple of 6? (a) 41 (b) 12 (c) 22
  6. 6.What is the LCM of 8 and 11?
  7. 7.Which of these is a factor of 18? (a) 3 (b) 7 (c) 15
  8. 8.Is 3 a factor of 9? (a) No (b) Yes
  9. 9.Which of these is a multiple of 7? (a) 19 (b) 61 (c) 21
  10. 10.Which of these is a factor of 40? (a) 27 (b) 15 (c) 20
  11. 11.Is 7 a factor of 59? (a) Yes (b) No
  12. 12.Which of these is a multiple of 11? (a) 84 (b) 66 (c) 78
  13. 13.What is the LCM of 5 and 7?
  14. 14.Which of these is a factor of 48? (a) 17 (b) 35 (c) 8
  15. 15.What is the HCF of 49 and 63?
  16. 16.What is the HCF of 25 and 40?
  17. 17.Is 3 a factor of 18? (a) No (b) Yes
  18. 18.Which of these is a factor of 60? (a) 2 (b) 44 (c) 21
  19. 19.How many factors does 6 have?
  20. 20.Is 3 a factor of 34? (a) No (b) Yes
  21. 21.How many factors does 10 have?
  22. 22.What is the LCM of 6 and 14?
  23. 23.How many factors does 21 have?
  24. 24.How many factors does 48 have?
  25. 25.What is the LCM of 3 and 8?
  26. 26.Is 8 a factor of 97? (a) Yes (b) No
  27. 27.What is the LCM of 3 and 13?
  28. 28.Is 5 a factor of 22? (a) No (b) Yes
  29. 29.Is 7 a factor of 47? (a) Yes (b) No
  30. 30.Which of these is a factor of 42? (a) 26 (b) 25 (c) 6
  31. 31.Which of these is a factor of 24? (a) 8 (b) 15 (c) 18
  32. 32.Which of these is a multiple of 4? (a) 35 (b) 12 (c) 37
  33. 33.What is the HCF of 7 and 28?
  34. 34.Which of these is a factor of 12? (a) 7 (b) 3 (c) 8
  35. 35.Which of these is a factor of 42? (a) 27 (b) 3 (c) 41
  36. 36.What is the HCF of 12 and 21?
  37. 37.What is the LCM of 10 and 14?
  38. 38.What is the HCF of 4 and 10?
  39. 39.What is the HCF of 15 and 40?
  40. 40.What is the HCF of 10 and 16?

Answer key

  1. 43
  2. 8
  3. 2
  4. 3
  5. 12
  6. 88
  7. 3
  8. Yes
  9. 21
  10. 20
  11. No
  12. 66
  13. 35
  14. 8
  15. 7
  16. 5
  17. Yes
  18. 2
  19. 4
  20. No
  21. 4
  22. 42
  23. 4
  24. 10
  25. 24
  26. No
  27. 39
  28. No
  29. No
  30. 6
  31. 8
  32. 12
  33. 7
  34. 3
  35. 3
  36. 3
  37. 70
  38. 2
  39. 5
  40. 2

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