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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 215 · 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 36? (a) 33 (b) 3 (c) 10
  2. 2.Which of these is a multiple of 5? (a) 25 (b) 24 (c) 42
  3. 3.What is the HCF of 6 and 42?
  4. 4.Which of these is a factor of 20? (a) 15 (b) 10 (c) 19
  5. 5.Which of these is a prime number? (a) 37 (b) 40 (c) 35
  6. 6.How many factors does 16 have?
  7. 7.What is the LCM of 2 and 3?
  8. 8.What is the HCF of 6 and 18?
  9. 9.What is the HCF of 9 and 21?
  10. 10.How many factors does 20 have?
  11. 11.How many factors does 6 have?
  12. 12.Which of these is a factor of 36? (a) 7 (b) 6 (c) 11
  13. 13.How many factors does 8 have?
  14. 14.Which of these is a factor of 30? (a) 7 (b) 15 (c) 21
  15. 15.Which of these is a prime number? (a) 38 (b) 27 (c) 29
  16. 16.What is the HCF of 4 and 18?
  17. 17.What is the LCM of 8 and 9?
  18. 18.How many factors does 45 have?
  19. 19.What is the LCM of 6 and 15?
  20. 20.What is the LCM of 3 and 4?
  21. 21.What is the LCM of 4 and 10?
  22. 22.Which of these is a factor of 24? (a) 8 (b) 21 (c) 18
  23. 23.Which of these is a prime number? (a) 43 (b) 44 (c) 15
  24. 24.Which of these is a factor of 30? (a) 11 (b) 26 (c) 2
  25. 25.Which of these is a prime number? (a) 50 (b) 21 (c) 5
  26. 26.How many factors does 18 have?
  27. 27.Is 5 a factor of 18? (a) No (b) Yes
  28. 28.Which of these is a multiple of 3? (a) 17 (b) 25 (c) 15
  29. 29.Which of these is a factor of 24? (a) 2 (b) 16 (c) 11
  30. 30.Which of these is a factor of 36? (a) 28 (b) 18 (c) 25
  31. 31.Which of these is a multiple of 9? (a) 19 (b) 33 (c) 36
  32. 32.How many factors does 36 have?
  33. 33.How many factors does 21 have?
  34. 34.Which of these is a factor of 12? (a) 11 (b) 3 (c) 9
  35. 35.How many factors does 12 have?
  36. 36.Which of these is a factor of 48? (a) 11 (b) 40 (c) 2
  37. 37.Which of these is a factor of 30? (a) 27 (b) 17 (c) 5
  38. 38.Which of these is a prime number? (a) 19 (b) 22 (c) 25
  39. 39.Is 2 a factor of 25? (a) Yes (b) No
  40. 40.What is the LCM of 5 and 13?

Answer key

  1. 3
  2. 25
  3. 6
  4. 10
  5. 37
  6. 5
  7. 6
  8. 6
  9. 3
  10. 6
  11. 4
  12. 6
  13. 4
  14. 15
  15. 29
  16. 2
  17. 72
  18. 6
  19. 30
  20. 12
  21. 20
  22. 8
  23. 43
  24. 2
  25. 5
  26. 6
  27. No
  28. 15
  29. 2
  30. 18
  31. 36
  32. 9
  33. 4
  34. 3
  35. 6
  36. 2
  37. 5
  38. 19
  39. No
  40. 65

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