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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 23 · 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.Is 7 a factor of 21? (a) Yes (b) No
  2. 2.Which of these is a factor of 12? (a) 2 (b) 7 (c) 8
  3. 3.How many factors does 32 have?
  4. 4.What is the LCM of 6 and 9?
  5. 5.What is the LCM of 9 and 12?
  6. 6.Which of these is a prime number? (a) 15 (b) 13 (c) 21
  7. 7.How many factors does 15 have?
  8. 8.Which of these is a factor of 24? (a) 18 (b) 7 (c) 6
  9. 9.Which of these is a prime number? (a) 26 (b) 8 (c) 47
  10. 10.Which of these is a prime number? (a) 17 (b) 24 (c) 27
  11. 11.How many factors does 48 have?
  12. 12.How many factors does 24 have?
  13. 13.What is the HCF of 35 and 42?
  14. 14.Which of these is a multiple of 9? (a) 35 (b) 18 (c) 33
  15. 15.Which of these is a factor of 48? (a) 9 (b) 3 (c) 22
  16. 16.What is the LCM of 3 and 7?
  17. 17.Which of these is a multiple of 9? (a) 88 (b) 27 (c) 25
  18. 18.What is the LCM of 12 and 14?
  19. 19.How many factors does 40 have?
  20. 20.Which of these is a factor of 12? (a) 3 (b) 9 (c) 7
  21. 21.Which of these is a factor of 48? (a) 10 (b) 38 (c) 6
  22. 22.Is 7 a factor of 17? (a) Yes (b) No
  23. 23.Which of these is a multiple of 10? (a) 56 (b) 90 (c) 51
  24. 24.How many factors does 18 have?
  25. 25.What is the HCF of 5 and 25?
  26. 26.Is 7 a factor of 86? (a) No (b) Yes
  27. 27.What is the HCF of 25 and 35?
  28. 28.What is the HCF of 6 and 10?
  29. 29.Is 5 a factor of 31? (a) Yes (b) No
  30. 30.Which of these is a multiple of 3? (a) 12 (b) 7 (c) 16
  31. 31.What is the HCF of 24 and 56?
  32. 32.What is the HCF of 12 and 28?
  33. 33.What is the LCM of 2 and 3?
  34. 34.Which of these is a multiple of 6? (a) 14 (b) 36 (c) 23
  35. 35.Is 3 a factor of 30? (a) No (b) Yes
  36. 36.What is the HCF of 16 and 72?
  37. 37.What is the LCM of 6 and 10?
  38. 38.Which of these is a multiple of 8? (a) 23 (b) 64 (c) 71
  39. 39.Is 7 a factor of 18? (a) Yes (b) No
  40. 40.Which of these is a multiple of 8? (a) 32 (b) 36 (c) 34

Answer key

  1. Yes
  2. 2
  3. 6
  4. 18
  5. 36
  6. 13
  7. 4
  8. 6
  9. 47
  10. 17
  11. 10
  12. 8
  13. 7
  14. 18
  15. 3
  16. 21
  17. 27
  18. 84
  19. 8
  20. 3
  21. 6
  22. No
  23. 90
  24. 6
  25. 5
  26. No
  27. 5
  28. 2
  29. No
  30. 12
  31. 8
  32. 4
  33. 6
  34. 36
  35. Yes
  36. 8
  37. 30
  38. 64
  39. No
  40. 32

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