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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 90 · 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 multiple of 5? (a) 36 (b) 16 (c) 10
  2. 2.Is 3 a factor of 36? (a) Yes (b) No
  3. 3.Which of these is a prime number? (a) 50 (b) 31 (c) 21
  4. 4.Which of these is a prime number? (a) 35 (b) 16 (c) 13
  5. 5.Which of these is a factor of 12? (a) 9 (b) 6 (c) 11
  6. 6.What is the LCM of 4 and 7?
  7. 7.What is the HCF of 16 and 40?
  8. 8.Which of these is a factor of 20? (a) 18 (b) 12 (c) 2
  9. 9.What is the HCF of 30 and 48?
  10. 10.What is the HCF of 10 and 45?
  11. 11.Is 9 a factor of 36? (a) Yes (b) No
  12. 12.What is the LCM of 3 and 13?
  13. 13.Which of these is a multiple of 6? (a) 34 (b) 12 (c) 23
  14. 14.What is the HCF of 12 and 15?
  15. 15.Which of these is a prime number? (a) 34 (b) 2 (c) 36
  16. 16.Which of these is a multiple of 6? (a) 25 (b) 48 (c) 14
  17. 17.Is 2 a factor of 6? (a) Yes (b) No
  18. 18.Which of these is a factor of 42? (a) 8 (b) 3 (c) 18
  19. 19.Which of these is a multiple of 11? (a) 91 (b) 77 (c) 84
  20. 20.Which of these is a factor of 12? (a) 10 (b) 5 (c) 2
  21. 21.Which of these is a multiple of 6? (a) 14 (b) 36 (c) 39
  22. 22.Which of these is a prime number? (a) 46 (b) 38 (c) 37
  23. 23.What is the HCF of 5 and 10?
  24. 24.What is the HCF of 18 and 45?
  25. 25.Is 3 a factor of 22? (a) Yes (b) No
  26. 26.Is 9 a factor of 18? (a) Yes (b) No
  27. 27.What is the LCM of 3 and 8?
  28. 28.How many factors does 18 have?
  29. 29.How many factors does 14 have?
  30. 30.What is the HCF of 7 and 21?
  31. 31.Which of these is a factor of 60? (a) 12 (b) 11 (c) 22
  32. 32.What is the LCM of 5 and 13?
  33. 33.How many factors does 42 have?
  34. 34.Which of these is a multiple of 9? (a) 20 (b) 45 (c) 67
  35. 35.What is the HCF of 10 and 14?
  36. 36.Which of these is a prime number? (a) 28 (b) 14 (c) 43
  37. 37.Which of these is a prime number? (a) 26 (b) 4 (c) 3
  38. 38.Which of these is a multiple of 8? (a) 33 (b) 48 (c) 45
  39. 39.Is 2 a factor of 25? (a) No (b) Yes
  40. 40.How many factors does 21 have?

Answer key

  1. 10
  2. Yes
  3. 31
  4. 13
  5. 6
  6. 28
  7. 8
  8. 2
  9. 6
  10. 5
  11. Yes
  12. 39
  13. 12
  14. 3
  15. 2
  16. 48
  17. Yes
  18. 3
  19. 77
  20. 2
  21. 36
  22. 37
  23. 5
  24. 9
  25. No
  26. Yes
  27. 24
  28. 6
  29. 4
  30. 7
  31. 12
  32. 65
  33. 8
  34. 45
  35. 2
  36. 43
  37. 3
  38. 48
  39. No
  40. 4

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