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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 312 · 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.Which of these is a prime number? (a) 11 (b) 40 (c) 48
  2. 2.How many factors does 8 have?
  3. 3.Which of these is a factor of 40? (a) 32 (b) 25 (c) 2
  4. 4.Is 4 a factor of 47? (a) No (b) Yes
  5. 5.How many factors does 10 have?
  6. 6.How many factors does 20 have?
  7. 7.How many factors does 15 have?
  8. 8.Is 9 a factor of 90? (a) No (b) Yes
  9. 9.What is the LCM of 5 and 12?
  10. 10.What is the LCM of 6 and 14?
  11. 11.Which of these is a prime number? (a) 7 (b) 12 (c) 6
  12. 12.What is the LCM of 3 and 14?
  13. 13.What is the LCM of 6 and 9?
  14. 14.Which of these is a factor of 12? (a) 8 (b) 3 (c) 11
  15. 15.What is the LCM of 2 and 15?
  16. 16.How many factors does 36 have?
  17. 17.Which of these is a factor of 36? (a) 13 (b) 29 (c) 18
  18. 18.What is the LCM of 2 and 13?
  19. 19.Which of these is a factor of 42? (a) 19 (b) 33 (c) 7
  20. 20.Is 4 a factor of 20? (a) No (b) Yes
  21. 21.Which of these is a multiple of 10? (a) 72 (b) 24 (c) 20
  22. 22.Which of these is a multiple of 5? (a) 18 (b) 40 (c) 33
  23. 23.Which of these is a factor of 36? (a) 3 (b) 31 (c) 19
  24. 24.What is the HCF of 12 and 28?
  25. 25.What is the LCM of 8 and 12?
  26. 26.What is the HCF of 8 and 72?
  27. 27.Which of these is a factor of 20? (a) 9 (b) 18 (c) 2
  28. 28.Which of these is a prime number? (a) 39 (b) 3 (c) 24
  29. 29.How many factors does 48 have?
  30. 30.Which of these is a prime number? (a) 48 (b) 19 (c) 10
  31. 31.Which of these is a multiple of 3? (a) 7 (b) 16 (c) 18
  32. 32.Which of these is a multiple of 8? (a) 25 (b) 20 (c) 32
  33. 33.Is 5 a factor of 25? (a) Yes (b) No
  34. 34.Is 9 a factor of 61? (a) No (b) Yes
  35. 35.How many factors does 12 have?
  36. 36.How many factors does 28 have?
  37. 37.Which of these is a multiple of 6? (a) 38 (b) 48 (c) 13
  38. 38.Is 6 a factor of 69? (a) Yes (b) No
  39. 39.Is 8 a factor of 72? (a) No (b) Yes
  40. 40.Which of these is a multiple of 12? (a) 96 (b) 81 (c) 46

Answer key

  1. 11
  2. 4
  3. 2
  4. No
  5. 4
  6. 6
  7. 4
  8. Yes
  9. 60
  10. 42
  11. 7
  12. 42
  13. 18
  14. 3
  15. 30
  16. 9
  17. 18
  18. 26
  19. 7
  20. Yes
  21. 20
  22. 40
  23. 3
  24. 4
  25. 24
  26. 8
  27. 2
  28. 3
  29. 10
  30. 19
  31. 18
  32. 32
  33. Yes
  34. No
  35. 6
  36. 6
  37. 48
  38. No
  39. Yes
  40. 96

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