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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 179 · 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.

NameDateTime takenScore ___ / 40
  1. 1.What is the LCM of 2 and 9?
  2. 2.Which of these is a multiple of 11? (a) 46 (b) 56 (c) 33
  3. 3.How many factors does 36 have?
  4. 4.Which of these is a factor of 18? (a) 16 (b) 9 (c) 12
  5. 5.Which of these is a multiple of 7? (a) 63 (b) 17 (c) 45
  6. 6.What is the LCM of 10 and 15?
  7. 7.Which of these is a factor of 42? (a) 25 (b) 6 (c) 36
  8. 8.Which of these is a multiple of 3? (a) 9 (b) 16 (c) 11
  9. 9.Which of these is a factor of 30? (a) 11 (b) 6 (c) 18
  10. 10.Which of these is a prime number? (a) 5 (b) 27 (c) 36
  11. 11.What is the LCM of 2 and 13?
  12. 12.What is the HCF of 18 and 48?
  13. 13.Which of these is a prime number? (a) 12 (b) 20 (c) 3
  14. 14.How many factors does 18 have?
  15. 15.What is the LCM of 2 and 3?
  16. 16.Which of these is a factor of 60? (a) 44 (b) 22 (c) 2
  17. 17.How many factors does 21 have?
  18. 18.What is the LCM of 3 and 14?
  19. 19.How many factors does 30 have?
  20. 20.How many factors does 42 have?
  21. 21.How many factors does 45 have?
  22. 22.Which of these is a multiple of 11? (a) 58 (b) 101 (c) 44
  23. 23.Is 2 a factor of 14? (a) No (b) Yes
  24. 24.How many factors does 28 have?
  25. 25.What is the HCF of 18 and 45?
  26. 26.What is the LCM of 2 and 15?
  27. 27.Which of these is a multiple of 4? (a) 35 (b) 21 (c) 8
  28. 28.What is the LCM of 4 and 15?
  29. 29.Is 7 a factor of 56? (a) Yes (b) No
  30. 30.Which of these is a factor of 48? (a) 28 (b) 12 (c) 13
  31. 31.How many factors does 48 have?
  32. 32.Which of these is a multiple of 7? (a) 54 (b) 29 (c) 56
  33. 33.Which of these is a factor of 42? (a) 22 (b) 8 (c) 14
  34. 34.What is the HCF of 4 and 16?
  35. 35.Is 5 a factor of 25? (a) Yes (b) No
  36. 36.Which of these is a prime number? (a) 21 (b) 40 (c) 37
  37. 37.What is the HCF of 9 and 18?
  38. 38.Which of these is a multiple of 10? (a) 30 (b) 32
  39. 39.Which of these is a factor of 48? (a) 8 (b) 11 (c) 35
  40. 40.What is the LCM of 9 and 10?

Answer key

  1. 18
  2. 33
  3. 9
  4. 9
  5. 63
  6. 30
  7. 6
  8. 9
  9. 6
  10. 5
  11. 26
  12. 6
  13. 3
  14. 6
  15. 6
  16. 2
  17. 4
  18. 42
  19. 8
  20. 8
  21. 6
  22. 44
  23. Yes
  24. 6
  25. 9
  26. 30
  27. 8
  28. 60
  29. Yes
  30. 12
  31. 10
  32. 56
  33. 14
  34. 4
  35. Yes
  36. 37
  37. 9
  38. 30
  39. 8
  40. 90

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