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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 159 · 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 factor of 18? (a) 6 (b) 8 (c) 11
  2. 2.What is the LCM of 6 and 8?
  3. 3.Which of these is a prime number? (a) 20 (b) 17 (c) 26
  4. 4.Is 9 a factor of 36? (a) No (b) Yes
  5. 5.What is the LCM of 3 and 11?
  6. 6.What is the LCM of 6 and 7?
  7. 7.What is the LCM of 3 and 8?
  8. 8.Which of these is a multiple of 12? (a) 48 (b) 43 (c) 40
  9. 9.What is the LCM of 2 and 9?
  10. 10.What is the HCF of 7 and 49?
  11. 11.What is the LCM of 7 and 11?
  12. 12.Which of these is a multiple of 9? (a) 58 (b) 45 (c) 32
  13. 13.Which of these is a factor of 20? (a) 5 (b) 17 (c) 13
  14. 14.Which of these is a factor of 20? (a) 13 (b) 16 (c) 2
  15. 15.Which of these is a multiple of 8? (a) 67 (b) 46 (c) 32
  16. 16.Which of these is a factor of 60? (a) 5 (b) 34 (c) 50
  17. 17.What is the LCM of 8 and 12?
  18. 18.Which of these is a prime number? (a) 12 (b) 21 (c) 23
  19. 19.Which of these is a multiple of 5? (a) 37 (b) 46 (c) 25
  20. 20.Which of these is a prime number? (a) 39 (b) 44 (c) 47
  21. 21.Which of these is a factor of 24? (a) 22 (b) 10 (c) 8
  22. 22.Which of these is a multiple of 9? (a) 84 (b) 32 (c) 63
  23. 23.What is the HCF of 9 and 15?
  24. 24.How many factors does 18 have?
  25. 25.What is the LCM of 4 and 13?
  26. 26.Which of these is a factor of 60? (a) 22 (b) 3 (c) 50
  27. 27.Which of these is a prime number? (a) 22 (b) 3 (c) 48
  28. 28.How many factors does 12 have?
  29. 29.What is the HCF of 4 and 18?
  30. 30.What is the LCM of 7 and 8?
  31. 31.What is the HCF of 12 and 54?
  32. 32.How many factors does 15 have?
  33. 33.What is the LCM of 3 and 4?
  34. 34.What is the LCM of 7 and 12?
  35. 35.Is 6 a factor of 18? (a) No (b) Yes
  36. 36.How many factors does 8 have?
  37. 37.What is the LCM of 5 and 9?
  38. 38.How many factors does 16 have?
  39. 39.Which of these is a factor of 30? (a) 9 (b) 6 (c) 27
  40. 40.What is the LCM of 3 and 14?

Answer key

  1. 6
  2. 24
  3. 17
  4. Yes
  5. 33
  6. 42
  7. 24
  8. 48
  9. 18
  10. 7
  11. 77
  12. 45
  13. 5
  14. 2
  15. 32
  16. 5
  17. 24
  18. 23
  19. 25
  20. 47
  21. 8
  22. 63
  23. 3
  24. 6
  25. 52
  26. 3
  27. 3
  28. 6
  29. 2
  30. 56
  31. 6
  32. 4
  33. 12
  34. 84
  35. Yes
  36. 4
  37. 45
  38. 5
  39. 6
  40. 42

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