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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 4 · 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.

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  1. 1.Which of these is a multiple of 4? (a) 30 (b) 14 (c) 20
  2. 2.Which of these is a multiple of 10? (a) 23 (b) 91 (c) 90
  3. 3.What is the HCF of 18 and 21?
  4. 4.Which of these is a multiple of 12? (a) 45 (b) 60 (c) 30
  5. 5.Which of these is a multiple of 9? (a) 89 (b) 22 (c) 36
  6. 6.What is the HCF of 16 and 24?
  7. 7.How many factors does 10 have?
  8. 8.What is the HCF of 32 and 36?
  9. 9.How many factors does 32 have?
  10. 10.Which of these is a prime number? (a) 28 (b) 31 (c) 10
  11. 11.Which of these is a prime number? (a) 3 (b) 49 (c) 14
  12. 12.Is 9 a factor of 99? (a) Yes (b) No
  13. 13.Which of these is a multiple of 9? (a) 48 (b) 81 (c) 80
  14. 14.What is the LCM of 5 and 11?
  15. 15.Which of these is a prime number? (a) 7 (b) 27 (c) 45
  16. 16.How many factors does 21 have?
  17. 17.What is the LCM of 6 and 9?
  18. 18.What is the LCM of 7 and 10?
  19. 19.Is 2 a factor of 8? (a) Yes (b) No
  20. 20.What is the LCM of 3 and 7?
  21. 21.Which of these is a prime number? (a) 37 (b) 45 (c) 49
  22. 22.Which of these is a prime number? (a) 17 (b) 16 (c) 4
  23. 23.Is 4 a factor of 44? (a) No (b) Yes
  24. 24.How many factors does 28 have?
  25. 25.Which of these is a factor of 30? (a) 20 (b) 18 (c) 5
  26. 26.Is 2 a factor of 4? (a) Yes (b) No
  27. 27.What is the LCM of 6 and 13?
  28. 28.Is 2 a factor of 7? (a) No (b) Yes
  29. 29.Is 5 a factor of 55? (a) Yes (b) No
  30. 30.What is the LCM of 4 and 6?
  31. 31.Which of these is a factor of 60? (a) 47 (b) 5 (c) 58
  32. 32.Is 3 a factor of 25? (a) Yes (b) No
  33. 33.What is the HCF of 4 and 6?
  34. 34.Which of these is a multiple of 5? (a) 26 (b) 25
  35. 35.What is the HCF of 72 and 81?
  36. 36.What is the LCM of 2 and 9?
  37. 37.What is the LCM of 2 and 15?
  38. 38.What is the HCF of 2 and 10?
  39. 39.Is 6 a factor of 49? (a) Yes (b) No
  40. 40.Which of these is a factor of 24? (a) 15 (b) 21 (c) 8

Answer key

  1. 20
  2. 90
  3. 3
  4. 60
  5. 36
  6. 8
  7. 4
  8. 4
  9. 6
  10. 31
  11. 3
  12. Yes
  13. 81
  14. 55
  15. 7
  16. 4
  17. 18
  18. 70
  19. Yes
  20. 21
  21. 37
  22. 17
  23. Yes
  24. 6
  25. 5
  26. Yes
  27. 78
  28. No
  29. Yes
  30. 12
  31. 5
  32. No
  33. 2
  34. 25
  35. 9
  36. 18
  37. 30
  38. 2
  39. No
  40. 8

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