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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 239 · 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 30? (a) 21 (b) 15 (c) 29
  2. 2.Which of these is a prime number? (a) 35 (b) 36 (c) 29
  3. 3.Which of these is a factor of 18? (a) 2 (b) 10 (c) 11
  4. 4.Which of these is a multiple of 11? (a) 28 (b) 101 (c) 55
  5. 5.Which of these is a prime number? (a) 38 (b) 3 (c) 34
  6. 6.Which of these is a prime number? (a) 42 (b) 21 (c) 2
  7. 7.Is 6 a factor of 35? (a) Yes (b) No
  8. 8.Which of these is a multiple of 4? (a) 27 (b) 31 (c) 12
  9. 9.Which of these is a prime number? (a) 15 (b) 11 (c) 33
  10. 10.What is the LCM of 6 and 8?
  11. 11.Which of these is a multiple of 6? (a) 19 (b) 22 (c) 24
  12. 12.Which of these is a prime number? (a) 13 (b) 32 (c) 10
  13. 13.Which of these is a multiple of 10? (a) 39 (b) 83 (c) 90
  14. 14.What is the HCF of 3 and 24?
  15. 15.What is the LCM of 2 and 13?
  16. 16.Which of these is a multiple of 9? (a) 20 (b) 81 (c) 35
  17. 17.What is the LCM of 9 and 12?
  18. 18.Which of these is a prime number? (a) 40 (b) 7 (c) 8
  19. 19.Is 4 a factor of 28? (a) No (b) Yes
  20. 20.How many factors does 8 have?
  21. 21.Which of these is a factor of 20? (a) 2 (b) 8 (c) 12
  22. 22.What is the HCF of 5 and 30?
  23. 23.How many factors does 18 have?
  24. 24.What is the HCF of 5 and 25?
  25. 25.What is the LCM of 8 and 14?
  26. 26.What is the HCF of 7 and 35?
  27. 27.Which of these is a prime number? (a) 8 (b) 31 (c) 4
  28. 28.Which of these is a multiple of 8? (a) 34 (b) 45 (c) 16
  29. 29.Which of these is a factor of 60? (a) 2 (b) 24 (c) 37
  30. 30.How many factors does 24 have?
  31. 31.Is 8 a factor of 48? (a) No (b) Yes
  32. 32.Which of these is a factor of 24? (a) 14 (b) 7 (c) 6
  33. 33.Which of these is a factor of 30? (a) 8 (b) 11 (c) 10
  34. 34.What is the HCF of 18 and 45?
  35. 35.Which of these is a factor of 20? (a) 10 (b) 14 (c) 11
  36. 36.Is 5 a factor of 27? (a) No (b) Yes
  37. 37.What is the LCM of 3 and 5?
  38. 38.What is the HCF of 8 and 20?
  39. 39.What is the HCF of 6 and 54?
  40. 40.Is 4 a factor of 45? (a) Yes (b) No

Answer key

  1. 15
  2. 29
  3. 2
  4. 55
  5. 3
  6. 2
  7. No
  8. 12
  9. 11
  10. 24
  11. 24
  12. 13
  13. 90
  14. 3
  15. 26
  16. 81
  17. 36
  18. 7
  19. Yes
  20. 4
  21. 2
  22. 5
  23. 6
  24. 5
  25. 56
  26. 7
  27. 31
  28. 16
  29. 2
  30. 8
  31. Yes
  32. 6
  33. 10
  34. 9
  35. 10
  36. No
  37. 15
  38. 4
  39. 6
  40. No

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