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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 135 · 40 sums
TalentJR

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 4 and 7?
  2. 2.Is 3 a factor of 24? (a) No (b) Yes
  3. 3.What is the HCF of 30 and 54?
  4. 4.Is 4 a factor of 31? (a) Yes (b) No
  5. 5.What is the HCF of 6 and 9?
  6. 6.Which of these is a factor of 24? (a) 6 (b) 7 (c) 19
  7. 7.What is the HCF of 8 and 24?
  8. 8.How many factors does 36 have?
  9. 9.What is the LCM of 8 and 10?
  10. 10.What is the LCM of 5 and 12?
  11. 11.What is the HCF of 21 and 49?
  12. 12.What is the LCM of 6 and 14?
  13. 13.What is the LCM of 3 and 7?
  14. 14.Which of these is a prime number? (a) 5 (b) 14 (c) 20
  15. 15.Which of these is a factor of 20? (a) 5 (b) 7 (c) 13
  16. 16.What is the LCM of 4 and 6?
  17. 17.How many factors does 21 have?
  18. 18.What is the HCF of 5 and 20?
  19. 19.Which of these is a multiple of 12? (a) 116 (b) 108 (c) 93
  20. 20.How many factors does 42 have?
  21. 21.Which of these is a multiple of 6? (a) 49 (b) 29 (c) 12
  22. 22.What is the LCM of 3 and 8?
  23. 23.What is the LCM of 3 and 11?
  24. 24.Which of these is a prime number? (a) 35 (b) 49 (c) 17
  25. 25.Which of these is a multiple of 4? (a) 23 (b) 17 (c) 32
  26. 26.Which of these is a multiple of 5? (a) 12 (b) 45 (c) 47
  27. 27.Which of these is a prime number? (a) 36 (b) 47 (c) 12
  28. 28.Which of these is a factor of 24? (a) 23 (b) 13 (c) 8
  29. 29.Is 2 a factor of 22? (a) No (b) Yes
  30. 30.Which of these is a prime number? (a) 2 (b) 6 (c) 39
  31. 31.Which of these is a multiple of 5? (a) 36 (b) 17 (c) 15
  32. 32.How many factors does 12 have?
  33. 33.How many factors does 16 have?
  34. 34.Which of these is a prime number? (a) 28 (b) 3 (c) 22
  35. 35.Is 7 a factor of 54? (a) No (b) Yes
  36. 36.Is 9 a factor of 29? (a) Yes (b) No
  37. 37.Which of these is a factor of 40? (a) 4 (b) 37 (c) 38
  38. 38.Is 7 a factor of 56? (a) Yes (b) No
  39. 39.Which of these is a factor of 18? (a) 9 (b) 13 (c) 10
  40. 40.Which of these is a prime number? (a) 20 (b) 38 (c) 11

Answer key

  1. 28
  2. Yes
  3. 6
  4. No
  5. 3
  6. 6
  7. 8
  8. 9
  9. 40
  10. 60
  11. 7
  12. 42
  13. 21
  14. 5
  15. 5
  16. 12
  17. 4
  18. 5
  19. 108
  20. 8
  21. 12
  22. 24
  23. 33
  24. 17
  25. 32
  26. 45
  27. 47
  28. 8
  29. Yes
  30. 2
  31. 15
  32. 6
  33. 5
  34. 3
  35. No
  36. No
  37. 4
  38. Yes
  39. 9
  40. 11

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