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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 273 · 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.What is the LCM of 2 and 5?
  2. 2.Which of these is a factor of 20? (a) 2 (b) 8 (c) 16
  3. 3.What is the LCM of 5 and 14?
  4. 4.Is 7 a factor of 29? (a) No (b) Yes
  5. 5.Is 2 a factor of 12? (a) Yes (b) No
  6. 6.What is the LCM of 2 and 15?
  7. 7.Is 3 a factor of 34? (a) Yes (b) No
  8. 8.What is the LCM of 3 and 11?
  9. 9.Which of these is a factor of 60? (a) 39 (b) 3 (c) 18
  10. 10.Which of these is a prime number? (a) 21 (b) 5 (c) 25
  11. 11.Which of these is a multiple of 5? (a) 41 (b) 35 (c) 11
  12. 12.What is the HCF of 10 and 35?
  13. 13.What is the HCF of 7 and 28?
  14. 14.Which of these is a prime number? (a) 28 (b) 32 (c) 43
  15. 15.How many factors does 20 have?
  16. 16.What is the LCM of 3 and 5?
  17. 17.Which of these is a factor of 12? (a) 8 (b) 11 (c) 3
  18. 18.What is the LCM of 3 and 10?
  19. 19.Which of these is a factor of 48? (a) 26 (b) 16 (c) 14
  20. 20.Which of these is a multiple of 11? (a) 65 (b) 79 (c) 44
  21. 21.Which of these is a prime number? (a) 33 (b) 37 (c) 9
  22. 22.What is the LCM of 5 and 11?
  23. 23.Which of these is a multiple of 10? (a) 43 (b) 63 (c) 20
  24. 24.Is 2 a factor of 25? (a) No (b) Yes
  25. 25.What is the HCF of 45 and 72?
  26. 26.How many factors does 21 have?
  27. 27.What is the HCF of 5 and 40?
  28. 28.What is the LCM of 6 and 11?
  29. 29.How many factors does 32 have?
  30. 30.Which of these is a multiple of 12? (a) 48 (b) 46 (c) 74
  31. 31.Which of these is a factor of 60? (a) 2 (b) 22 (c) 8
  32. 32.Which of these is a factor of 60? (a) 28 (b) 30 (c) 35
  33. 33.Which of these is a factor of 48? (a) 37 (b) 28 (c) 6
  34. 34.How many factors does 8 have?
  35. 35.Which of these is a multiple of 12? (a) 94 (b) 24 (c) 102
  36. 36.What is the LCM of 6 and 8?
  37. 37.Is 4 a factor of 30? (a) Yes (b) No
  38. 38.Which of these is a factor of 40? (a) 33 (b) 21 (c) 10
  39. 39.Which of these is a factor of 42? (a) 32 (b) 36 (c) 6
  40. 40.What is the HCF of 7 and 42?

Answer key

  1. 10
  2. 2
  3. 70
  4. No
  5. Yes
  6. 30
  7. No
  8. 33
  9. 3
  10. 5
  11. 35
  12. 5
  13. 7
  14. 43
  15. 6
  16. 15
  17. 3
  18. 30
  19. 16
  20. 44
  21. 37
  22. 55
  23. 20
  24. No
  25. 9
  26. 4
  27. 5
  28. 66
  29. 6
  30. 48
  31. 2
  32. 30
  33. 6
  34. 4
  35. 24
  36. 24
  37. No
  38. 10
  39. 6
  40. 7

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