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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 79 · 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.How many factors does 40 have?
  2. 2.Which of these is a prime number? (a) 36 (b) 6 (c) 19
  3. 3.What is the HCF of 20 and 36?
  4. 4.Which of these is a factor of 30? (a) 17 (b) 15 (c) 11
  5. 5.What is the LCM of 5 and 7?
  6. 6.Which of these is a prime number? (a) 29 (b) 48 (c) 16
  7. 7.Is 5 a factor of 25? (a) Yes (b) No
  8. 8.What is the LCM of 3 and 11?
  9. 9.What is the HCF of 6 and 14?
  10. 10.Which of these is a multiple of 12? (a) 112 (b) 42 (c) 48
  11. 11.Which of these is a prime number? (a) 9 (b) 39 (c) 2
  12. 12.What is the LCM of 6 and 13?
  13. 13.Which of these is a factor of 24? (a) 20 (b) 21 (c) 3
  14. 14.What is the HCF of 18 and 45?
  15. 15.What is the HCF of 25 and 35?
  16. 16.Is 3 a factor of 24? (a) No (b) Yes
  17. 17.What is the LCM of 5 and 11?
  18. 18.Is 8 a factor of 32? (a) No (b) Yes
  19. 19.Which of these is a factor of 20? (a) 16 (b) 4 (c) 8
  20. 20.Which of these is a multiple of 12? (a) 75 (b) 108 (c) 29
  21. 21.What is the LCM of 5 and 9?
  22. 22.What is the HCF of 28 and 63?
  23. 23.Which of these is a multiple of 6? (a) 29 (b) 31 (c) 12
  24. 24.How many factors does 6 have?
  25. 25.Which of these is a factor of 12? (a) 7 (b) 3 (c) 10
  26. 26.What is the HCF of 21 and 49?
  27. 27.What is the LCM of 6 and 14?
  28. 28.How many factors does 24 have?
  29. 29.Is 3 a factor of 26? (a) Yes (b) No
  30. 30.Is 7 a factor of 14? (a) Yes (b) No
  31. 31.What is the HCF of 35 and 63?
  32. 32.Which of these is a factor of 48? (a) 3 (b) 40 (c) 7
  33. 33.Is 6 a factor of 48? (a) Yes (b) No
  34. 34.Which of these is a prime number? (a) 17 (b) 14 (c) 35
  35. 35.What is the HCF of 27 and 63?
  36. 36.Which of these is a factor of 18? (a) 2 (b) 12 (c) 7
  37. 37.Is 4 a factor of 24? (a) No (b) Yes
  38. 38.Is 7 a factor of 36? (a) Yes (b) No
  39. 39.Is 3 a factor of 18? (a) Yes (b) No
  40. 40.What is the HCF of 6 and 48?

Answer key

  1. 8
  2. 19
  3. 4
  4. 15
  5. 35
  6. 29
  7. Yes
  8. 33
  9. 2
  10. 48
  11. 2
  12. 78
  13. 3
  14. 9
  15. 5
  16. Yes
  17. 55
  18. Yes
  19. 4
  20. 108
  21. 45
  22. 7
  23. 12
  24. 4
  25. 3
  26. 7
  27. 42
  28. 8
  29. No
  30. Yes
  31. 7
  32. 3
  33. Yes
  34. 17
  35. 9
  36. 2
  37. Yes
  38. No
  39. Yes
  40. 6

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