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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 297 · 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 12 and 15?
  2. 2.Is 2 a factor of 4? (a) Yes (b) No
  3. 3.Which of these is a prime number? (a) 29 (b) 4 (c) 16
  4. 4.Is 2 a factor of 22? (a) Yes (b) No
  5. 5.What is the HCF of 49 and 56?
  6. 6.Which of these is a prime number? (a) 2 (b) 45 (c) 44
  7. 7.Which of these is a prime number? (a) 18 (b) 7 (c) 44
  8. 8.Which of these is a prime number? (a) 25 (b) 3 (c) 48
  9. 9.Which of these is a factor of 18? (a) 16 (b) 2 (c) 15
  10. 10.What is the HCF of 21 and 49?
  11. 11.Which of these is a multiple of 5? (a) 31 (b) 34 (c) 10
  12. 12.Which of these is a prime number? (a) 5 (b) 15 (c) 22
  13. 13.What is the LCM of 2 and 15?
  14. 14.How many factors does 6 have?
  15. 15.Which of these is a factor of 30? (a) 22 (b) 15 (c) 18
  16. 16.Which of these is a factor of 60? (a) 15 (b) 58 (c) 40
  17. 17.Which of these is a multiple of 4? (a) 13 (b) 14 (c) 12
  18. 18.How many factors does 10 have?
  19. 19.Which of these is a prime number? (a) 16 (b) 12 (c) 41
  20. 20.Which of these is a multiple of 11? (a) 88 (b) 74 (c) 78
  21. 21.How many factors does 16 have?
  22. 22.Which of these is a factor of 20? (a) 7 (b) 8 (c) 5
  23. 23.What is the LCM of 10 and 15?
  24. 24.How many factors does 21 have?
  25. 25.What is the HCF of 5 and 25?
  26. 26.Which of these is a multiple of 9? (a) 74 (b) 27 (c) 55
  27. 27.Which of these is a prime number? (a) 12 (b) 15 (c) 43
  28. 28.Which of these is a prime number? (a) 26 (b) 49 (c) 13
  29. 29.What is the LCM of 2 and 9?
  30. 30.Which of these is a prime number? (a) 36 (b) 47 (c) 21
  31. 31.Is 8 a factor of 40? (a) No (b) Yes
  32. 32.What is the LCM of 3 and 10?
  33. 33.Is 7 a factor of 28? (a) Yes (b) No
  34. 34.Which of these is a multiple of 8? (a) 26 (b) 20 (c) 56
  35. 35.Is 9 a factor of 18? (a) No (b) Yes
  36. 36.Is 2 a factor of 25? (a) Yes (b) No
  37. 37.Which of these is a factor of 20? (a) 13 (b) 3 (c) 2
  38. 38.Which of these is a multiple of 4? (a) 23 (b) 28 (c) 21
  39. 39.What is the LCM of 4 and 15?
  40. 40.What is the LCM of 2 and 13?

Answer key

  1. 60
  2. Yes
  3. 29
  4. Yes
  5. 7
  6. 2
  7. 7
  8. 3
  9. 2
  10. 7
  11. 10
  12. 5
  13. 30
  14. 4
  15. 15
  16. 15
  17. 12
  18. 4
  19. 41
  20. 88
  21. 5
  22. 5
  23. 30
  24. 4
  25. 5
  26. 27
  27. 43
  28. 13
  29. 18
  30. 47
  31. Yes
  32. 30
  33. Yes
  34. 56
  35. Yes
  36. No
  37. 2
  38. 28
  39. 60
  40. 26

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