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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 310 · 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.What is the HCF of 4 and 12?
  2. 2.What is the HCF of 3 and 6?
  3. 3.What is the LCM of 5 and 14?
  4. 4.Which of these is a factor of 24? (a) 23 (b) 13 (c) 12
  5. 5.What is the LCM of 2 and 13?
  6. 6.Which of these is a multiple of 10? (a) 50 (b) 38 (c) 87
  7. 7.What is the HCF of 8 and 18?
  8. 8.Which of these is a factor of 20? (a) 18 (b) 4 (c) 3
  9. 9.What is the LCM of 3 and 10?
  10. 10.What is the HCF of 9 and 21?
  11. 11.How many factors does 21 have?
  12. 12.What is the HCF of 18 and 42?
  13. 13.Which of these is a factor of 18? (a) 12 (b) 4 (c) 3
  14. 14.How many factors does 16 have?
  15. 15.How many factors does 10 have?
  16. 16.What is the LCM of 6 and 13?
  17. 17.Which of these is a multiple of 4? (a) 18 (b) 14 (c) 8
  18. 18.Is 5 a factor of 10? (a) No (b) Yes
  19. 19.How many factors does 32 have?
  20. 20.How many factors does 30 have?
  21. 21.Which of these is a prime number? (a) 30 (b) 38 (c) 17
  22. 22.What is the LCM of 10 and 12?
  23. 23.Is 6 a factor of 36? (a) Yes (b) No
  24. 24.Which of these is a factor of 30? (a) 23 (b) 6 (c) 13
  25. 25.Which of these is a factor of 20? (a) 16 (b) 18 (c) 2
  26. 26.Which of these is a multiple of 3? (a) 17 (b) 6 (c) 25
  27. 27.How many factors does 42 have?
  28. 28.Is 8 a factor of 32? (a) Yes (b) No
  29. 29.Is 9 a factor of 80? (a) No (b) Yes
  30. 30.Is 4 a factor of 15? (a) Yes (b) No
  31. 31.Which of these is a factor of 36? (a) 5 (b) 27 (c) 3
  32. 32.What is the LCM of 4 and 9?
  33. 33.What is the HCF of 12 and 30?
  34. 34.What is the HCF of 14 and 16?
  35. 35.What is the LCM of 3 and 8?
  36. 36.How many factors does 45 have?
  37. 37.Which of these is a prime number? (a) 47 (b) 28 (c) 33
  38. 38.What is the LCM of 2 and 11?
  39. 39.Which of these is a factor of 48? (a) 19 (b) 6 (c) 42
  40. 40.How many factors does 24 have?

Answer key

  1. 4
  2. 3
  3. 70
  4. 12
  5. 26
  6. 50
  7. 2
  8. 4
  9. 30
  10. 3
  11. 4
  12. 6
  13. 3
  14. 5
  15. 4
  16. 78
  17. 8
  18. Yes
  19. 6
  20. 8
  21. 17
  22. 60
  23. Yes
  24. 6
  25. 2
  26. 6
  27. 8
  28. Yes
  29. No
  30. No
  31. 3
  32. 36
  33. 6
  34. 2
  35. 24
  36. 6
  37. 47
  38. 22
  39. 6
  40. 8

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