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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 284 · 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 HCF of 16 and 72?
  2. 2.Which of these is a factor of 12? (a) 6 (b) 7 (c) 10
  3. 3.What is the HCF of 8 and 32?
  4. 4.How many factors does 21 have?
  5. 5.What is the LCM of 8 and 10?
  6. 6.Which of these is a prime number? (a) 27 (b) 5 (c) 20
  7. 7.What is the LCM of 6 and 8?
  8. 8.Which of these is a multiple of 11? (a) 80 (b) 62 (c) 33
  9. 9.Which of these is a multiple of 11? (a) 46 (b) 37 (c) 99
  10. 10.How many factors does 42 have?
  11. 11.Is 6 a factor of 46? (a) No (b) Yes
  12. 12.Which of these is a factor of 60? (a) 41 (b) 34 (c) 15
  13. 13.Which of these is a multiple of 10? (a) 23 (b) 70 (c) 71
  14. 14.What is the HCF of 6 and 18?
  15. 15.What is the LCM of 4 and 7?
  16. 16.Which of these is a multiple of 7? (a) 35 (b) 31 (c) 62
  17. 17.Which of these is a prime number? (a) 15 (b) 50 (c) 17
  18. 18.What is the HCF of 32 and 72?
  19. 19.What is the HCF of 21 and 49?
  20. 20.How many factors does 15 have?
  21. 21.Which of these is a prime number? (a) 10 (b) 19 (c) 39
  22. 22.Which of these is a factor of 20? (a) 2 (b) 17 (c) 9
  23. 23.What is the LCM of 3 and 13?
  24. 24.How many factors does 14 have?
  25. 25.What is the LCM of 7 and 11?
  26. 26.Which of these is a prime number? (a) 15 (b) 2 (c) 32
  27. 27.Which of these is a factor of 40? (a) 26 (b) 14 (c) 20
  28. 28.Is 6 a factor of 68? (a) No (b) Yes
  29. 29.Which of these is a factor of 24? (a) 19 (b) 3 (c) 11
  30. 30.Which of these is a factor of 24? (a) 15 (b) 5 (c) 6
  31. 31.What is the HCF of 27 and 45?
  32. 32.What is the LCM of 9 and 15?
  33. 33.What is the LCM of 6 and 13?
  34. 34.Is 9 a factor of 27? (a) No (b) Yes
  35. 35.Which of these is a multiple of 9? (a) 29 (b) 36 (c) 80
  36. 36.Which of these is a multiple of 11? (a) 88 (b) 53 (c) 105
  37. 37.Which of these is a prime number? (a) 4 (b) 12 (c) 41
  38. 38.Which of these is a multiple of 3? (a) 26 (b) 21 (c) 8
  39. 39.How many factors does 28 have?
  40. 40.Which of these is a multiple of 3? (a) 26 (b) 22 (c) 9

Answer key

  1. 8
  2. 6
  3. 8
  4. 4
  5. 40
  6. 5
  7. 24
  8. 33
  9. 99
  10. 8
  11. No
  12. 15
  13. 70
  14. 6
  15. 28
  16. 35
  17. 17
  18. 8
  19. 7
  20. 4
  21. 19
  22. 2
  23. 39
  24. 4
  25. 77
  26. 2
  27. 20
  28. No
  29. 3
  30. 6
  31. 9
  32. 45
  33. 78
  34. Yes
  35. 36
  36. 88
  37. 41
  38. 21
  39. 6
  40. 9

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