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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 51 · 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 factor of 42? (a) 8 (b) 38 (c) 3
  2. 2.Which of these is a factor of 30? (a) 26 (b) 5 (c) 7
  3. 3.Which of these is a factor of 48? (a) 16 (b) 40 (c) 21
  4. 4.How many factors does 24 have?
  5. 5.What is the HCF of 4 and 10?
  6. 6.Is 6 a factor of 65? (a) No (b) Yes
  7. 7.Which of these is a prime number? (a) 48 (b) 49 (c) 5
  8. 8.Which of these is a factor of 18? (a) 9 (b) 12 (c) 5
  9. 9.Which of these is a prime number? (a) 26 (b) 38 (c) 2
  10. 10.Which of these is a multiple of 12? (a) 73 (b) 96 (c) 74
  11. 11.What is the HCF of 16 and 18?
  12. 12.Which of these is a factor of 24? (a) 18 (b) 19 (c) 3
  13. 13.What is the HCF of 15 and 40?
  14. 14.Is 3 a factor of 19? (a) No (b) Yes
  15. 15.What is the LCM of 8 and 14?
  16. 16.How many factors does 28 have?
  17. 17.What is the HCF of 6 and 14?
  18. 18.Which of these is a factor of 20? (a) 5 (b) 16 (c) 17
  19. 19.Which of these is a factor of 18? (a) 6 (b) 15 (c) 8
  20. 20.What is the HCF of 27 and 45?
  21. 21.What is the LCM of 3 and 7?
  22. 22.Which of these is a prime number? (a) 42 (b) 48 (c) 3
  23. 23.What is the LCM of 7 and 10?
  24. 24.Which of these is a multiple of 10? (a) 88 (b) 30 (c) 85
  25. 25.Which of these is a multiple of 6? (a) 42 (b) 33 (c) 13
  26. 26.Which of these is a prime number? (a) 44 (b) 13 (c) 49
  27. 27.What is the HCF of 8 and 56?
  28. 28.Which of these is a prime number? (a) 6 (b) 23 (c) 40
  29. 29.What is the LCM of 8 and 10?
  30. 30.What is the LCM of 6 and 7?
  31. 31.What is the LCM of 2 and 11?
  32. 32.Which of these is a multiple of 7? (a) 39 (b) 28 (c) 17
  33. 33.How many factors does 21 have?
  34. 34.How many factors does 15 have?
  35. 35.Is 4 a factor of 32? (a) No (b) Yes
  36. 36.Which of these is a multiple of 9? (a) 24 (b) 27 (c) 46
  37. 37.Is 5 a factor of 18? (a) Yes (b) No
  38. 38.Which of these is a factor of 48? (a) 29 (b) 12 (c) 7
  39. 39.Which of these is a factor of 40? (a) 16 (b) 4 (c) 26
  40. 40.Which of these is a factor of 48? (a) 15 (b) 8 (c) 29

Answer key

  1. 3
  2. 5
  3. 16
  4. 8
  5. 2
  6. No
  7. 5
  8. 9
  9. 2
  10. 96
  11. 2
  12. 3
  13. 5
  14. No
  15. 56
  16. 6
  17. 2
  18. 5
  19. 6
  20. 9
  21. 21
  22. 3
  23. 70
  24. 30
  25. 42
  26. 13
  27. 8
  28. 23
  29. 40
  30. 42
  31. 22
  32. 28
  33. 4
  34. 4
  35. Yes
  36. 27
  37. No
  38. 12
  39. 4
  40. 8

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