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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 166 · 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.Which of these is a factor of 40? (a) 32 (b) 29 (c) 20
  2. 2.Is 3 a factor of 6? (a) No (b) Yes
  3. 3.Is 7 a factor of 21? (a) No (b) Yes
  4. 4.Which of these is a factor of 36? (a) 33 (b) 18 (c) 17
  5. 5.What is the LCM of 6 and 11?
  6. 6.What is the LCM of 5 and 14?
  7. 7.Is 2 a factor of 6? (a) Yes (b) No
  8. 8.What is the HCF of 18 and 30?
  9. 9.Which of these is a factor of 42? (a) 15 (b) 28 (c) 7
  10. 10.Which of these is a factor of 18? (a) 16 (b) 10 (c) 2
  11. 11.Which of these is a multiple of 11? (a) 55 (b) 64
  12. 12.Which of these is a factor of 18? (a) 4 (b) 9 (c) 8
  13. 13.What is the HCF of 6 and 9?
  14. 14.How many factors does 15 have?
  15. 15.What is the HCF of 25 and 40?
  16. 16.Is 4 a factor of 36? (a) Yes (b) No
  17. 17.Which of these is a prime number? (a) 27 (b) 11 (c) 36
  18. 18.What is the LCM of 4 and 11?
  19. 19.What is the HCF of 18 and 63?
  20. 20.What is the LCM of 5 and 11?
  21. 21.Which of these is a prime number? (a) 50 (b) 44 (c) 2
  22. 22.Which of these is a prime number? (a) 5 (b) 44 (c) 35
  23. 23.Which of these is a prime number? (a) 25 (b) 48 (c) 23
  24. 24.What is the HCF of 3 and 15?
  25. 25.Is 8 a factor of 46? (a) Yes (b) No
  26. 26.Which of these is a factor of 12? (a) 3 (b) 8 (c) 5
  27. 27.How many factors does 42 have?
  28. 28.How many factors does 48 have?
  29. 29.Is 4 a factor of 43? (a) Yes (b) No
  30. 30.What is the LCM of 3 and 7?
  31. 31.What is the LCM of 2 and 15?
  32. 32.What is the HCF of 42 and 54?
  33. 33.What is the HCF of 40 and 45?
  34. 34.What is the HCF of 16 and 40?
  35. 35.Which of these is a multiple of 8? (a) 66 (b) 17 (c) 56
  36. 36.How many factors does 36 have?
  37. 37.Which of these is a factor of 30? (a) 7 (b) 26 (c) 6
  38. 38.Which of these is a prime number? (a) 14 (b) 7 (c) 22
  39. 39.Is 4 a factor of 44? (a) Yes (b) No
  40. 40.Which of these is a prime number? (a) 46 (b) 19 (c) 34

Answer key

  1. 20
  2. Yes
  3. Yes
  4. 18
  5. 66
  6. 70
  7. Yes
  8. 6
  9. 7
  10. 2
  11. 55
  12. 9
  13. 3
  14. 4
  15. 5
  16. Yes
  17. 11
  18. 44
  19. 9
  20. 55
  21. 2
  22. 5
  23. 23
  24. 3
  25. No
  26. 3
  27. 8
  28. 10
  29. No
  30. 21
  31. 30
  32. 6
  33. 5
  34. 8
  35. 56
  36. 9
  37. 6
  38. 7
  39. Yes
  40. 19

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