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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 139 · 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 prime number? (a) 40 (b) 19 (c) 16
  2. 2.Which of these is a factor of 18? (a) 3 (b) 10 (c) 4
  3. 3.Which of these is a factor of 12? (a) 11 (b) 7 (c) 2
  4. 4.How many factors does 32 have?
  5. 5.What is the LCM of 3 and 8?
  6. 6.Which of these is a multiple of 3? (a) 25 (b) 28 (c) 27
  7. 7.Is 4 a factor of 50? (a) No (b) Yes
  8. 8.What is the HCF of 14 and 18?
  9. 9.How many factors does 24 have?
  10. 10.Is 8 a factor of 102? (a) No (b) Yes
  11. 11.What is the HCF of 7 and 28?
  12. 12.Which of these is a prime number? (a) 17 (b) 9 (c) 30
  13. 13.How many factors does 30 have?
  14. 14.Which of these is a factor of 12? (a) 10 (b) 11 (c) 6
  15. 15.How many factors does 48 have?
  16. 16.Is 7 a factor of 42? (a) Yes (b) No
  17. 17.How many factors does 28 have?
  18. 18.Which of these is a prime number? (a) 37 (b) 9 (c) 22
  19. 19.Which of these is a prime number? (a) 50 (b) 29 (c) 10
  20. 20.What is the LCM of 3 and 7?
  21. 21.What is the HCF of 56 and 72?
  22. 22.How many factors does 10 have?
  23. 23.What is the HCF of 15 and 27?
  24. 24.Is 8 a factor of 40? (a) No (b) Yes
  25. 25.What is the HCF of 20 and 24?
  26. 26.Which of these is a multiple of 3? (a) 26 (b) 16 (c) 18
  27. 27.What is the LCM of 7 and 10?
  28. 28.Is 5 a factor of 54? (a) Yes (b) No
  29. 29.What is the LCM of 12 and 14?
  30. 30.What is the HCF of 8 and 48?
  31. 31.Is 5 a factor of 15? (a) No (b) Yes
  32. 32.How many factors does 18 have?
  33. 33.What is the LCM of 9 and 10?
  34. 34.Which of these is a multiple of 4? (a) 18 (b) 35 (c) 28
  35. 35.What is the HCF of 8 and 36?
  36. 36.Which of these is a factor of 12? (a) 7 (b) 8 (c) 4
  37. 37.What is the HCF of 56 and 63?
  38. 38.What is the LCM of 4 and 13?
  39. 39.What is the LCM of 10 and 15?
  40. 40.Is 6 a factor of 18? (a) Yes (b) No

Answer key

  1. 19
  2. 3
  3. 2
  4. 6
  5. 24
  6. 27
  7. No
  8. 2
  9. 8
  10. No
  11. 7
  12. 17
  13. 8
  14. 6
  15. 10
  16. Yes
  17. 6
  18. 37
  19. 29
  20. 21
  21. 8
  22. 4
  23. 3
  24. Yes
  25. 4
  26. 18
  27. 70
  28. No
  29. 84
  30. 8
  31. Yes
  32. 6
  33. 90
  34. 28
  35. 4
  36. 4
  37. 7
  38. 52
  39. 30
  40. Yes

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