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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 44 · 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.How many factors does 45 have?
  2. 2.Which of these is a prime number? (a) 13 (b) 6 (c) 16
  3. 3.Which of these is a factor of 42? (a) 13 (b) 21 (c) 4
  4. 4.Which of these is a factor of 18? (a) 16 (b) 2 (c) 17
  5. 5.What is the LCM of 7 and 12?
  6. 6.How many factors does 32 have?
  7. 7.What is the HCF of 15 and 21?
  8. 8.Which of these is a factor of 42? (a) 38 (b) 6 (c) 40
  9. 9.Which of these is a multiple of 3? (a) 9 (b) 11 (c) 26
  10. 10.What is the LCM of 3 and 5?
  11. 11.Which of these is a multiple of 4? (a) 16 (b) 17 (c) 29
  12. 12.Which of these is a factor of 12? (a) 4 (b) 5 (c) 7
  13. 13.Which of these is a prime number? (a) 48 (b) 17 (c) 22
  14. 14.Which of these is a multiple of 12? (a) 95 (b) 96 (c) 104
  15. 15.Which of these is a factor of 18? (a) 6 (b) 5 (c) 16
  16. 16.How many factors does 36 have?
  17. 17.Is 8 a factor of 41? (a) Yes (b) No
  18. 18.Is 6 a factor of 72? (a) Yes (b) No
  19. 19.What is the HCF of 9 and 15?
  20. 20.What is the HCF of 2 and 8?
  21. 21.Which of these is a multiple of 5? (a) 30 (b) 26 (c) 38
  22. 22.Which of these is a prime number? (a) 11 (b) 6 (c) 49
  23. 23.What is the LCM of 5 and 13?
  24. 24.Which of these is a multiple of 5? (a) 39 (b) 10 (c) 22
  25. 25.Which of these is a factor of 30? (a) 9 (b) 10 (c) 27
  26. 26.Which of these is a prime number? (a) 20 (b) 2 (c) 33
  27. 27.Which of these is a factor of 18? (a) 13 (b) 4 (c) 9
  28. 28.What is the HCF of 36 and 42?
  29. 29.What is the LCM of 4 and 5?
  30. 30.Which of these is a multiple of 5? (a) 34 (b) 41 (c) 20
  31. 31.Is 3 a factor of 6? (a) Yes (b) No
  32. 32.Which of these is a factor of 24? (a) 5 (b) 19 (c) 3
  33. 33.What is the HCF of 21 and 35?
  34. 34.Which of these is a factor of 12? (a) 5 (b) 6 (c) 9
  35. 35.Which of these is a prime number? (a) 30 (b) 37 (c) 38
  36. 36.Is 7 a factor of 35? (a) No (b) Yes
  37. 37.Which of these is a multiple of 11? (a) 78 (b) 86 (c) 99
  38. 38.Which of these is a multiple of 8? (a) 49 (b) 32 (c) 42
  39. 39.Is 3 a factor of 24? (a) No (b) Yes
  40. 40.Which of these is a multiple of 6? (a) 24 (b) 45 (c) 20

Answer key

  1. 6
  2. 13
  3. 21
  4. 2
  5. 84
  6. 6
  7. 3
  8. 6
  9. 9
  10. 15
  11. 16
  12. 4
  13. 17
  14. 96
  15. 6
  16. 9
  17. No
  18. Yes
  19. 3
  20. 2
  21. 30
  22. 11
  23. 65
  24. 10
  25. 10
  26. 2
  27. 9
  28. 6
  29. 20
  30. 20
  31. Yes
  32. 3
  33. 7
  34. 6
  35. 37
  36. Yes
  37. 99
  38. 32
  39. Yes
  40. 24

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