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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 281 · 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) 26 (b) 7 (c) 35
  2. 2.Is 2 a factor of 13? (a) No (b) Yes
  3. 3.What is the LCM of 4 and 15?
  4. 4.What is the LCM of 2 and 7?
  5. 5.Which of these is a prime number? (a) 9 (b) 31 (c) 42
  6. 6.Is 6 a factor of 54? (a) No (b) Yes
  7. 7.What is the LCM of 12 and 14?
  8. 8.Which of these is a factor of 20? (a) 12 (b) 9 (c) 10
  9. 9.How many factors does 20 have?
  10. 10.How many factors does 40 have?
  11. 11.What is the LCM of 10 and 12?
  12. 12.How many factors does 8 have?
  13. 13.Is 2 a factor of 11? (a) Yes (b) No
  14. 14.Which of these is a multiple of 12? (a) 111 (b) 48 (c) 68
  15. 15.What is the HCF of 4 and 14?
  16. 16.Which of these is a prime number? (a) 13 (b) 9 (c) 48
  17. 17.What is the HCF of 21 and 35?
  18. 18.Which of these is a factor of 20? (a) 6 (b) 3 (c) 4
  19. 19.Which of these is a factor of 30? (a) 13 (b) 20 (c) 2
  20. 20.What is the HCF of 3 and 18?
  21. 21.What is the LCM of 3 and 8?
  22. 22.How many factors does 12 have?
  23. 23.Is 3 a factor of 7? (a) No (b) Yes
  24. 24.What is the LCM of 7 and 8?
  25. 25.Is 7 a factor of 23? (a) Yes (b) No
  26. 26.Which of these is a factor of 60? (a) 43 (b) 37 (c) 5
  27. 27.What is the HCF of 15 and 20?
  28. 28.Which of these is a multiple of 6? (a) 30 (b) 25 (c) 26
  29. 29.Which of these is a factor of 12? (a) 9 (b) 5 (c) 2
  30. 30.What is the LCM of 6 and 10?
  31. 31.Which of these is a factor of 48? (a) 26 (b) 10 (c) 12
  32. 32.Which of these is a factor of 24? (a) 14 (b) 9 (c) 8
  33. 33.How many factors does 15 have?
  34. 34.What is the HCF of 21 and 56?
  35. 35.Which of these is a prime number? (a) 11 (b) 30 (c) 26
  36. 36.Which of these is a multiple of 5? (a) 27 (b) 29 (c) 30
  37. 37.Which of these is a prime number? (a) 9 (b) 43 (c) 16
  38. 38.Is 5 a factor of 26? (a) No (b) Yes
  39. 39.Which of these is a factor of 42? (a) 17 (b) 7 (c) 27
  40. 40.Which of these is a factor of 36? (a) 30 (b) 9 (c) 29

Answer key

  1. 7
  2. No
  3. 60
  4. 14
  5. 31
  6. Yes
  7. 84
  8. 10
  9. 6
  10. 8
  11. 60
  12. 4
  13. No
  14. 48
  15. 2
  16. 13
  17. 7
  18. 4
  19. 2
  20. 3
  21. 24
  22. 6
  23. No
  24. 56
  25. No
  26. 5
  27. 5
  28. 30
  29. 2
  30. 30
  31. 12
  32. 8
  33. 4
  34. 7
  35. 11
  36. 30
  37. 43
  38. No
  39. 7
  40. 9

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