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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 167 · 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) 27 (b) 5 (c) 3
  2. 2.How many factors does 28 have?
  3. 3.How many factors does 24 have?
  4. 4.What is the LCM of 6 and 9?
  5. 5.Which of these is a prime number? (a) 31 (b) 46 (c) 14
  6. 6.Is 2 a factor of 21? (a) Yes (b) No
  7. 7.Which of these is a prime number? (a) 12 (b) 5 (c) 36
  8. 8.How many factors does 40 have?
  9. 9.Is 3 a factor of 35? (a) No (b) Yes
  10. 10.What is the LCM of 2 and 9?
  11. 11.What is the LCM of 6 and 13?
  12. 12.What is the HCF of 36 and 81?
  13. 13.Which of these is a factor of 24? (a) 9 (b) 2 (c) 22
  14. 14.What is the HCF of 42 and 54?
  15. 15.Which of these is a prime number? (a) 50 (b) 2 (c) 38
  16. 16.How many factors does 16 have?
  17. 17.What is the HCF of 18 and 24?
  18. 18.How many factors does 12 have?
  19. 19.How many factors does 10 have?
  20. 20.Is 4 a factor of 10? (a) Yes (b) No
  21. 21.What is the LCM of 5 and 8?
  22. 22.How many factors does 21 have?
  23. 23.Which of these is a prime number? (a) 28 (b) 10 (c) 3
  24. 24.How many factors does 30 have?
  25. 25.Is 6 a factor of 31? (a) Yes (b) No
  26. 26.Is 2 a factor of 6? (a) Yes (b) No
  27. 27.How many factors does 36 have?
  28. 28.How many factors does 6 have?
  29. 29.Which of these is a factor of 12? (a) 8 (b) 10 (c) 2
  30. 30.Which of these is a multiple of 9? (a) 36 (b) 32 (c) 84
  31. 31.What is the HCF of 21 and 24?
  32. 32.What is the LCM of 8 and 14?
  33. 33.Which of these is a prime number? (a) 34 (b) 35 (c) 19
  34. 34.Is 6 a factor of 22? (a) Yes (b) No
  35. 35.Is 3 a factor of 8? (a) Yes (b) No
  36. 36.What is the LCM of 2 and 11?
  37. 37.Which of these is a factor of 60? (a) 2 (b) 9 (c) 44
  38. 38.Which of these is a prime number? (a) 23 (b) 6 (c) 46
  39. 39.Which of these is a multiple of 4? (a) 12 (b) 21 (c) 15
  40. 40.What is the HCF of 14 and 16?

Answer key

  1. 3
  2. 6
  3. 8
  4. 18
  5. 31
  6. No
  7. 5
  8. 8
  9. No
  10. 18
  11. 78
  12. 9
  13. 2
  14. 6
  15. 2
  16. 5
  17. 6
  18. 6
  19. 4
  20. No
  21. 40
  22. 4
  23. 3
  24. 8
  25. No
  26. Yes
  27. 9
  28. 4
  29. 2
  30. 36
  31. 3
  32. 56
  33. 19
  34. No
  35. No
  36. 22
  37. 2
  38. 23
  39. 12
  40. 2

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