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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 298 · 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 8 and 14?
  2. 2.What is the HCF of 12 and 21?
  3. 3.How many factors does 42 have?
  4. 4.Is 3 a factor of 10? (a) Yes (b) No
  5. 5.Which of these is a multiple of 5? (a) 24 (b) 30 (c) 16
  6. 6.How many factors does 12 have?
  7. 7.Which of these is a factor of 30? (a) 15 (b) 25 (c) 9
  8. 8.Which of these is a multiple of 7? (a) 40 (b) 52 (c) 28
  9. 9.Which of these is a factor of 12? (a) 8 (b) 3 (c) 9
  10. 10.What is the HCF of 63 and 72?
  11. 11.What is the LCM of 12 and 14?
  12. 12.Which of these is a factor of 12? (a) 2 (b) 8 (c) 11
  13. 13.Which of these is a multiple of 10? (a) 20 (b) 36 (c) 99
  14. 14.How many factors does 45 have?
  15. 15.Which of these is a multiple of 8? (a) 62 (b) 78 (c) 72
  16. 16.What is the LCM of 5 and 9?
  17. 17.Which of these is a prime number? (a) 44 (b) 43 (c) 45
  18. 18.Which of these is a prime number? (a) 27 (b) 13 (c) 6
  19. 19.Which of these is a prime number? (a) 38 (b) 3 (c) 36
  20. 20.What is the HCF of 8 and 20?
  21. 21.Is 6 a factor of 72? (a) No (b) Yes
  22. 22.Which of these is a factor of 60? (a) 44 (b) 24 (c) 30
  23. 23.How many factors does 16 have?
  24. 24.Which of these is a factor of 18? (a) 5 (b) 8 (c) 3
  25. 25.What is the LCM of 5 and 8?
  26. 26.Which of these is a prime number? (a) 46 (b) 23 (c) 24
  27. 27.What is the HCF of 42 and 54?
  28. 28.What is the LCM of 10 and 15?
  29. 29.Which of these is a factor of 20? (a) 9 (b) 4 (c) 15
  30. 30.Is 7 a factor of 77? (a) No (b) Yes
  31. 31.Which of these is a factor of 30? (a) 28 (b) 10 (c) 27
  32. 32.Which of these is a multiple of 5? (a) 21 (b) 46 (c) 20
  33. 33.Which of these is a prime number? (a) 41 (b) 39 (c) 27
  34. 34.Which of these is a prime number? (a) 6 (b) 38 (c) 37
  35. 35.Which of these is a prime number? (a) 38 (b) 17 (c) 9
  36. 36.Which of these is a factor of 18? (a) 15 (b) 14 (c) 2
  37. 37.What is the HCF of 3 and 12?
  38. 38.Which of these is a factor of 40? (a) 11 (b) 17 (c) 8
  39. 39.Which of these is a factor of 20? (a) 2 (b) 9 (c) 19
  40. 40.Which of these is a factor of 48? (a) 2 (b) 35 (c) 25

Answer key

  1. 56
  2. 3
  3. 8
  4. No
  5. 30
  6. 6
  7. 15
  8. 28
  9. 3
  10. 9
  11. 84
  12. 2
  13. 20
  14. 6
  15. 72
  16. 45
  17. 43
  18. 13
  19. 3
  20. 4
  21. Yes
  22. 30
  23. 5
  24. 3
  25. 40
  26. 23
  27. 6
  28. 30
  29. 4
  30. Yes
  31. 10
  32. 20
  33. 41
  34. 37
  35. 17
  36. 2
  37. 3
  38. 8
  39. 2
  40. 2

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