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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 308 · 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 6 and 9?
  2. 2.What is the LCM of 2 and 7?
  3. 3.Is 7 a factor of 28? (a) Yes (b) No
  4. 4.Is 9 a factor of 72? (a) No (b) Yes
  5. 5.Which of these is a factor of 48? (a) 21 (b) 19 (c) 2
  6. 6.Which of these is a prime number? (a) 4 (b) 9 (c) 13
  7. 7.How many factors does 16 have?
  8. 8.What is the HCF of 21 and 28?
  9. 9.Which of these is a factor of 30? (a) 4 (b) 28 (c) 3
  10. 10.What is the LCM of 8 and 12?
  11. 11.Which of these is a multiple of 9? (a) 57 (b) 18 (c) 33
  12. 12.Which of these is a multiple of 6? (a) 51 (b) 23 (c) 30
  13. 13.What is the LCM of 12 and 15?
  14. 14.Which of these is a multiple of 3? (a) 21 (b) 11 (c) 10
  15. 15.What is the HCF of 18 and 24?
  16. 16.What is the HCF of 6 and 16?
  17. 17.What is the LCM of 3 and 11?
  18. 18.Which of these is a factor of 60? (a) 2 (b) 55 (c) 41
  19. 19.Which of these is a prime number? (a) 37 (b) 24 (c) 35
  20. 20.Is 4 a factor of 9? (a) Yes (b) No
  21. 21.How many factors does 36 have?
  22. 22.Which of these is a factor of 24? (a) 18 (b) 7 (c) 4
  23. 23.What is the LCM of 9 and 10?
  24. 24.Which of these is a prime number? (a) 18 (b) 44 (c) 29
  25. 25.What is the LCM of 5 and 7?
  26. 26.Which of these is a multiple of 9? (a) 77 (b) 25 (c) 36
  27. 27.What is the HCF of 48 and 54?
  28. 28.Is 8 a factor of 59? (a) No (b) Yes
  29. 29.What is the LCM of 10 and 12?
  30. 30.How many factors does 12 have?
  31. 31.Which of these is a prime number? (a) 45 (b) 3 (c) 32
  32. 32.How many factors does 40 have?
  33. 33.How many factors does 10 have?
  34. 34.How many factors does 32 have?
  35. 35.Which of these is a factor of 48? (a) 16 (b) 46 (c) 14
  36. 36.What is the LCM of 6 and 13?
  37. 37.Which of these is a multiple of 8? (a) 36 (b) 48 (c) 73
  38. 38.What is the LCM of 4 and 10?
  39. 39.Which of these is a prime number? (a) 33 (b) 47 (c) 26
  40. 40.What is the HCF of 18 and 21?

Answer key

  1. 18
  2. 14
  3. Yes
  4. Yes
  5. 2
  6. 13
  7. 5
  8. 7
  9. 3
  10. 24
  11. 18
  12. 30
  13. 60
  14. 21
  15. 6
  16. 2
  17. 33
  18. 2
  19. 37
  20. No
  21. 9
  22. 4
  23. 90
  24. 29
  25. 35
  26. 36
  27. 6
  28. No
  29. 60
  30. 6
  31. 3
  32. 8
  33. 4
  34. 6
  35. 16
  36. 78
  37. 48
  38. 20
  39. 47
  40. 3

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