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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 22 · 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.What is the LCM of 8 and 11?
  2. 2.Which of these is a prime number? (a) 35 (b) 16 (c) 19
  3. 3.Which of these is a factor of 36? (a) 18 (b) 11 (c) 21
  4. 4.Which of these is a multiple of 8? (a) 24 (b) 36 (c) 25
  5. 5.What is the LCM of 8 and 9?
  6. 6.What is the HCF of 3 and 6?
  7. 7.Is 9 a factor of 74? (a) No (b) Yes
  8. 8.Which of these is a prime number? (a) 45 (b) 13 (c) 44
  9. 9.Which of these is a factor of 42? (a) 12 (b) 7 (c) 17
  10. 10.How many factors does 18 have?
  11. 11.Which of these is a multiple of 9? (a) 36 (b) 37 (c) 79
  12. 12.Which of these is a prime number? (a) 30 (b) 36 (c) 43
  13. 13.Is 4 a factor of 38? (a) Yes (b) No
  14. 14.Is 6 a factor of 35? (a) Yes (b) No
  15. 15.What is the LCM of 5 and 9?
  16. 16.Is 6 a factor of 48? (a) Yes (b) No
  17. 17.How many factors does 6 have?
  18. 18.Is 9 a factor of 25? (a) Yes (b) No
  19. 19.What is the HCF of 2 and 14?
  20. 20.Is 3 a factor of 16? (a) Yes (b) No
  21. 21.What is the LCM of 8 and 12?
  22. 22.Which of these is a factor of 12? (a) 9 (b) 10 (c) 6
  23. 23.How many factors does 42 have?
  24. 24.Which of these is a multiple of 9? (a) 51 (b) 72 (c) 41
  25. 25.How many factors does 12 have?
  26. 26.What is the LCM of 9 and 10?
  27. 27.Which of these is a factor of 20? (a) 19 (b) 15 (c) 10
  28. 28.Is 9 a factor of 96? (a) Yes (b) No
  29. 29.What is the LCM of 3 and 13?
  30. 30.Which of these is a prime number? (a) 3 (b) 36 (c) 8
  31. 31.How many factors does 30 have?
  32. 32.What is the LCM of 4 and 13?
  33. 33.Which of these is a prime number? (a) 21 (b) 10 (c) 11
  34. 34.How many factors does 8 have?
  35. 35.Which of these is a multiple of 6? (a) 26 (b) 24 (c) 47
  36. 36.Which of these is a multiple of 4? (a) 10 (b) 20 (c) 21
  37. 37.What is the HCF of 18 and 27?
  38. 38.Which of these is a prime number? (a) 33 (b) 2 (c) 12
  39. 39.What is the LCM of 4 and 6?
  40. 40.How many factors does 16 have?

Answer key

  1. 88
  2. 19
  3. 18
  4. 24
  5. 72
  6. 3
  7. No
  8. 13
  9. 7
  10. 6
  11. 36
  12. 43
  13. No
  14. No
  15. 45
  16. Yes
  17. 4
  18. No
  19. 2
  20. No
  21. 24
  22. 6
  23. 8
  24. 72
  25. 6
  26. 90
  27. 10
  28. No
  29. 39
  30. 3
  31. 8
  32. 52
  33. 11
  34. 4
  35. 24
  36. 20
  37. 9
  38. 2
  39. 12
  40. 5

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