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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 157 · 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.

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  1. 1.What is the HCF of 5 and 25?
  2. 2.Which of these is a factor of 24? (a) 5 (b) 15 (c) 12
  3. 3.Which of these is a prime number? (a) 30 (b) 20 (c) 41
  4. 4.What is the LCM of 2 and 9?
  5. 5.How many factors does 6 have?
  6. 6.What is the LCM of 7 and 9?
  7. 7.Which of these is a multiple of 11? (a) 108 (b) 34 (c) 22
  8. 8.Which of these is a multiple of 12? (a) 42 (b) 36 (c) 85
  9. 9.Which of these is a factor of 20? (a) 10 (b) 13 (c) 15
  10. 10.What is the HCF of 32 and 72?
  11. 11.What is the LCM of 8 and 9?
  12. 12.What is the LCM of 6 and 8?
  13. 13.How many factors does 28 have?
  14. 14.How many factors does 48 have?
  15. 15.Which of these is a multiple of 10? (a) 32 (b) 53 (c) 80
  16. 16.Which of these is a factor of 12? (a) 4 (b) 11 (c) 8
  17. 17.Which of these is a factor of 48? (a) 27 (b) 12 (c) 38
  18. 18.What is the LCM of 6 and 13?
  19. 19.Which of these is a multiple of 12? (a) 88 (b) 60 (c) 103
  20. 20.What is the HCF of 48 and 56?
  21. 21.Which of these is a factor of 24? (a) 6 (b) 10 (c) 19
  22. 22.What is the LCM of 6 and 7?
  23. 23.Which of these is a multiple of 7? (a) 21 (b) 45 (c) 23
  24. 24.Which of these is a multiple of 12? (a) 50 (b) 24 (c) 92
  25. 25.Which of these is a prime number? (a) 9 (b) 39 (c) 29
  26. 26.Is 5 a factor of 46? (a) Yes (b) No
  27. 27.How many factors does 10 have?
  28. 28.How many factors does 12 have?
  29. 29.Which of these is a multiple of 6? (a) 55 (b) 52 (c) 48
  30. 30.What is the LCM of 3 and 5?
  31. 31.Is 4 a factor of 32? (a) No (b) Yes
  32. 32.What is the HCF of 15 and 20?
  33. 33.Which of these is a factor of 12? (a) 3 (b) 7 (c) 10
  34. 34.What is the LCM of 5 and 11?
  35. 35.How many factors does 8 have?
  36. 36.What is the HCF of 56 and 64?
  37. 37.What is the HCF of 12 and 32?
  38. 38.Which of these is a prime number? (a) 20 (b) 43 (c) 9
  39. 39.Is 2 a factor of 17? (a) Yes (b) No
  40. 40.Which of these is a multiple of 5? (a) 46 (b) 40 (c) 34

Answer key

  1. 5
  2. 12
  3. 41
  4. 18
  5. 4
  6. 63
  7. 22
  8. 36
  9. 10
  10. 8
  11. 72
  12. 24
  13. 6
  14. 10
  15. 80
  16. 4
  17. 12
  18. 78
  19. 60
  20. 8
  21. 6
  22. 42
  23. 21
  24. 24
  25. 29
  26. No
  27. 4
  28. 6
  29. 48
  30. 15
  31. Yes
  32. 5
  33. 3
  34. 55
  35. 4
  36. 8
  37. 4
  38. 43
  39. No
  40. 40

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