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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 17 · 40 sums
TalentJR

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.

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  1. 1.Which of these is a factor of 12? (a) 3 (b) 11 (c) 10
  2. 2.Which of these is a prime number? (a) 45 (b) 2 (c) 14
  3. 3.Which of these is a multiple of 5? (a) 31 (b) 13 (c) 10
  4. 4.How many factors does 8 have?
  5. 5.Which of these is a factor of 18? (a) 10 (b) 6 (c) 4
  6. 6.What is the HCF of 20 and 25?
  7. 7.Which of these is a multiple of 9? (a) 54 (b) 40 (c) 86
  8. 8.What is the HCF of 10 and 15?
  9. 9.Which of these is a prime number? (a) 14 (b) 47 (c) 27
  10. 10.What is the HCF of 4 and 32?
  11. 11.What is the HCF of 18 and 24?
  12. 12.How many factors does 18 have?
  13. 13.What is the LCM of 5 and 6?
  14. 14.Which of these is a prime number? (a) 43 (b) 10 (c) 12
  15. 15.How many factors does 36 have?
  16. 16.Which of these is a multiple of 9? (a) 47 (b) 61 (c) 36
  17. 17.Is 8 a factor of 60? (a) Yes (b) No
  18. 18.What is the HCF of 2 and 6?
  19. 19.Which of these is a prime number? (a) 29 (b) 21 (c) 39
  20. 20.Which of these is a prime number? (a) 25 (b) 31 (c) 27
  21. 21.Which of these is a multiple of 4? (a) 38 (b) 16 (c) 31
  22. 22.Which of these is a prime number? (a) 44 (b) 41 (c) 6
  23. 23.What is the LCM of 3 and 13?
  24. 24.What is the LCM of 6 and 15?
  25. 25.What is the HCF of 27 and 36?
  26. 26.What is the HCF of 24 and 28?
  27. 27.What is the LCM of 4 and 11?
  28. 28.What is the LCM of 6 and 14?
  29. 29.Is 5 a factor of 60? (a) No (b) Yes
  30. 30.What is the HCF of 63 and 72?
  31. 31.Which of these is a multiple of 5? (a) 42 (b) 34 (c) 15
  32. 32.Is 3 a factor of 19? (a) No (b) Yes
  33. 33.Is 4 a factor of 28? (a) No (b) Yes
  34. 34.How many factors does 16 have?
  35. 35.Which of these is a multiple of 10? (a) 80 (b) 75 (c) 41
  36. 36.Which of these is a factor of 20? (a) 18 (b) 2 (c) 6
  37. 37.Is 9 a factor of 56? (a) No (b) Yes
  38. 38.What is the LCM of 12 and 15?
  39. 39.What is the HCF of 54 and 63?
  40. 40.Which of these is a factor of 24? (a) 19 (b) 6 (c) 21

Answer key

  1. 3
  2. 2
  3. 10
  4. 4
  5. 6
  6. 5
  7. 54
  8. 5
  9. 47
  10. 4
  11. 6
  12. 6
  13. 30
  14. 43
  15. 9
  16. 36
  17. No
  18. 2
  19. 29
  20. 31
  21. 16
  22. 41
  23. 39
  24. 30
  25. 9
  26. 4
  27. 44
  28. 42
  29. Yes
  30. 9
  31. 15
  32. No
  33. Yes
  34. 5
  35. 80
  36. 2
  37. No
  38. 60
  39. 9
  40. 6

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