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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 258 · 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 3 and 4?
  2. 2.What is the HCF of 40 and 45?
  3. 3.What is the LCM of 3 and 14?
  4. 4.Is 2 a factor of 6? (a) Yes (b) No
  5. 5.Which of these is a prime number? (a) 19 (b) 45 (c) 50
  6. 6.Which of these is a factor of 20? (a) 10 (b) 13 (c) 7
  7. 7.Which of these is a factor of 20? (a) 9 (b) 4 (c) 8
  8. 8.Which of these is a prime number? (a) 12 (b) 43 (c) 46
  9. 9.What is the LCM of 12 and 15?
  10. 10.Which of these is a factor of 36? (a) 26 (b) 6 (c) 11
  11. 11.What is the HCF of 28 and 36?
  12. 12.Which of these is a factor of 48? (a) 18 (b) 25 (c) 12
  13. 13.Which of these is a prime number? (a) 32 (b) 3 (c) 4
  14. 14.Which of these is a prime number? (a) 30 (b) 35 (c) 7
  15. 15.Which of these is a prime number? (a) 6 (b) 8 (c) 23
  16. 16.Which of these is a prime number? (a) 21 (b) 29 (c) 48
  17. 17.Which of these is a multiple of 9? (a) 19 (b) 63 (c) 30
  18. 18.Which of these is a factor of 42? (a) 10 (b) 2 (c) 41
  19. 19.Is 5 a factor of 16? (a) Yes (b) No
  20. 20.How many factors does 12 have?
  21. 21.Which of these is a factor of 48? (a) 40 (b) 16 (c) 31
  22. 22.Which of these is a factor of 60? (a) 10 (b) 27 (c) 25
  23. 23.What is the LCM of 6 and 10?
  24. 24.Which of these is a factor of 30? (a) 8 (b) 15 (c) 16
  25. 25.Which of these is a multiple of 10? (a) 38 (b) 40 (c) 41
  26. 26.Is 3 a factor of 37? (a) Yes (b) No
  27. 27.How many factors does 36 have?
  28. 28.How many factors does 20 have?
  29. 29.Is 4 a factor of 22? (a) Yes (b) No
  30. 30.Which of these is a factor of 18? (a) 17 (b) 9 (c) 8
  31. 31.How many factors does 40 have?
  32. 32.What is the LCM of 7 and 12?
  33. 33.How many factors does 15 have?
  34. 34.Which of these is a prime number? (a) 14 (b) 12 (c) 2
  35. 35.What is the HCF of 7 and 63?
  36. 36.How many factors does 16 have?
  37. 37.What is the LCM of 9 and 12?
  38. 38.Is 3 a factor of 14? (a) Yes (b) No
  39. 39.Is 2 a factor of 17? (a) Yes (b) No
  40. 40.Which of these is a factor of 42? (a) 39 (b) 14 (c) 10

Answer key

  1. 12
  2. 5
  3. 42
  4. Yes
  5. 19
  6. 10
  7. 4
  8. 43
  9. 60
  10. 6
  11. 4
  12. 12
  13. 3
  14. 7
  15. 23
  16. 29
  17. 63
  18. 2
  19. No
  20. 6
  21. 16
  22. 10
  23. 30
  24. 15
  25. 40
  26. No
  27. 9
  28. 6
  29. No
  30. 9
  31. 8
  32. 84
  33. 4
  34. 2
  35. 7
  36. 5
  37. 36
  38. No
  39. No
  40. 14

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