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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 133 · 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.

NameDateTime takenScore ___ / 40
  1. 1.What is the LCM of 7 and 10?
  2. 2.Is 3 a factor of 30? (a) Yes (b) No
  3. 3.What is the HCF of 16 and 36?
  4. 4.How many factors does 15 have?
  5. 5.Is 5 a factor of 59? (a) No (b) Yes
  6. 6.Is 4 a factor of 50? (a) No (b) Yes
  7. 7.Which of these is a prime number? (a) 21 (b) 29 (c) 18
  8. 8.Which of these is a multiple of 9? (a) 38 (b) 59 (c) 81
  9. 9.Which of these is a factor of 24? (a) 8 (b) 10 (c) 21
  10. 10.Which of these is a multiple of 3? (a) 7 (b) 20 (c) 21
  11. 11.What is the LCM of 8 and 10?
  12. 12.What is the LCM of 9 and 12?
  13. 13.What is the HCF of 7 and 49?
  14. 14.Is 2 a factor of 18? (a) Yes (b) No
  15. 15.Which of these is a factor of 20? (a) 18 (b) 10 (c) 19
  16. 16.How many factors does 24 have?
  17. 17.How many factors does 18 have?
  18. 18.What is the LCM of 3 and 7?
  19. 19.Which of these is a prime number? (a) 19 (b) 40 (c) 49
  20. 20.Is 9 a factor of 38? (a) No (b) Yes
  21. 21.How many factors does 21 have?
  22. 22.Which of these is a factor of 40? (a) 5 (b) 38 (c) 39
  23. 23.Which of these is a prime number? (a) 32 (b) 5 (c) 9
  24. 24.What is the LCM of 9 and 10?
  25. 25.Which of these is a factor of 24? (a) 7 (b) 2 (c) 18
  26. 26.Is 9 a factor of 45? (a) No (b) Yes
  27. 27.How many factors does 40 have?
  28. 28.Which of these is a factor of 18? (a) 5 (b) 9 (c) 15
  29. 29.What is the HCF of 12 and 27?
  30. 30.How many factors does 28 have?
  31. 31.What is the LCM of 10 and 15?
  32. 32.Which of these is a multiple of 12? (a) 62 (b) 54 (c) 96
  33. 33.How many factors does 10 have?
  34. 34.Which of these is a multiple of 12? (a) 65 (b) 108 (c) 34
  35. 35.Which of these is a multiple of 3? (a) 12 (b) 28 (c) 20
  36. 36.What is the LCM of 2 and 7?
  37. 37.Which of these is a factor of 60? (a) 32 (b) 3 (c) 9
  38. 38.Which of these is a factor of 60? (a) 35 (b) 10 (c) 34
  39. 39.Is 2 a factor of 25? (a) Yes (b) No
  40. 40.Which of these is a multiple of 4? (a) 23 (b) 17 (c) 36

Answer key

  1. 70
  2. Yes
  3. 4
  4. 4
  5. No
  6. No
  7. 29
  8. 81
  9. 8
  10. 21
  11. 40
  12. 36
  13. 7
  14. Yes
  15. 10
  16. 8
  17. 6
  18. 21
  19. 19
  20. No
  21. 4
  22. 5
  23. 5
  24. 90
  25. 2
  26. Yes
  27. 8
  28. 9
  29. 3
  30. 6
  31. 30
  32. 96
  33. 4
  34. 108
  35. 12
  36. 14
  37. 3
  38. 10
  39. No
  40. 36

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