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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 306 · 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.

NameDateTime takenScore ___ / 40
  1. 1.Which of these is a prime number? (a) 12 (b) 10 (c) 11
  2. 2.What is the LCM of 6 and 10?
  3. 3.Which of these is a multiple of 3? (a) 20 (b) 25 (c) 24
  4. 4.What is the LCM of 8 and 12?
  5. 5.How many factors does 10 have?
  6. 6.Which of these is a prime number? (a) 22 (b) 7 (c) 45
  7. 7.Which of these is a prime number? (a) 29 (b) 28 (c) 45
  8. 8.What is the HCF of 8 and 10?
  9. 9.Which of these is a factor of 48? (a) 44 (b) 11 (c) 4
  10. 10.Which of these is a factor of 24? (a) 13 (b) 5 (c) 8
  11. 11.Which of these is a factor of 30? (a) 29 (b) 5 (c) 7
  12. 12.What is the HCF of 18 and 81?
  13. 13.How many factors does 6 have?
  14. 14.What is the HCF of 6 and 10?
  15. 15.Which of these is a multiple of 4? (a) 21 (b) 11 (c) 8
  16. 16.What is the HCF of 9 and 12?
  17. 17.Which of these is a multiple of 10? (a) 79 (b) 82 (c) 60
  18. 18.Which of these is a factor of 20? (a) 6 (b) 19 (c) 10
  19. 19.What is the LCM of 3 and 14?
  20. 20.Which of these is a multiple of 6? (a) 18 (b) 35 (c) 52
  21. 21.What is the HCF of 72 and 81?
  22. 22.Which of these is a prime number? (a) 37 (b) 39 (c) 9
  23. 23.Which of these is a factor of 40? (a) 22 (b) 20 (c) 19
  24. 24.Which of these is a multiple of 7? (a) 20 (b) 14 (c) 57
  25. 25.Which of these is a factor of 18? (a) 5 (b) 8 (c) 3
  26. 26.How many factors does 24 have?
  27. 27.Is 3 a factor of 6? (a) Yes (b) No
  28. 28.Which of these is a factor of 42? (a) 33 (b) 7 (c) 40
  29. 29.Is 2 a factor of 24? (a) Yes (b) No
  30. 30.Is 3 a factor of 13? (a) Yes (b) No
  31. 31.What is the LCM of 4 and 15?
  32. 32.Which of these is a multiple of 5? (a) 36 (b) 20 (c) 33
  33. 33.Is 4 a factor of 16? (a) No (b) Yes
  34. 34.What is the LCM of 5 and 12?
  35. 35.What is the HCF of 28 and 49?
  36. 36.Which of these is a factor of 36? (a) 2 (b) 29 (c) 10
  37. 37.Which of these is a factor of 20? (a) 4 (b) 9 (c) 15
  38. 38.Is 3 a factor of 23? (a) Yes (b) No
  39. 39.How many factors does 16 have?
  40. 40.Which of these is a multiple of 7? (a) 36 (b) 21 (c) 62

Answer key

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

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