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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 234 · 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) 36 (b) 9 (c) 2
  2. 2.Is 3 a factor of 26? (a) No (b) Yes
  3. 3.Is 8 a factor of 80? (a) Yes (b) No
  4. 4.What is the LCM of 5 and 13?
  5. 5.How many factors does 14 have?
  6. 6.Is 9 a factor of 108? (a) Yes (b) No
  7. 7.What is the LCM of 3 and 14?
  8. 8.Which of these is a factor of 20? (a) 16 (b) 2 (c) 15
  9. 9.How many factors does 42 have?
  10. 10.Which of these is a multiple of 9? (a) 56 (b) 18 (c) 71
  11. 11.Which of these is a prime number? (a) 43 (b) 24 (c) 22
  12. 12.How many factors does 24 have?
  13. 13.Is 4 a factor of 36? (a) Yes (b) No
  14. 14.How many factors does 36 have?
  15. 15.Which of these is a multiple of 8? (a) 68 (b) 64 (c) 22
  16. 16.What is the HCF of 12 and 16?
  17. 17.Which of these is a factor of 12? (a) 8 (b) 3 (c) 11
  18. 18.What is the LCM of 7 and 9?
  19. 19.Is 9 a factor of 79? (a) No (b) Yes
  20. 20.How many factors does 30 have?
  21. 21.Which of these is a factor of 60? (a) 19 (b) 4 (c) 56
  22. 22.Is 6 a factor of 62? (a) No (b) Yes
  23. 23.What is the LCM of 12 and 15?
  24. 24.What is the HCF of 16 and 20?
  25. 25.Which of these is a prime number? (a) 17 (b) 33 (c) 12
  26. 26.What is the LCM of 5 and 6?
  27. 27.What is the LCM of 5 and 14?
  28. 28.Is 6 a factor of 13? (a) No (b) Yes
  29. 29.Is 8 a factor of 33? (a) No (b) Yes
  30. 30.Which of these is a multiple of 5? (a) 20 (b) 16 (c) 19
  31. 31.Which of these is a prime number? (a) 5 (b) 39 (c) 50
  32. 32.What is the HCF of 15 and 35?
  33. 33.Which of these is a multiple of 8? (a) 55 (b) 42 (c) 40
  34. 34.What is the LCM of 4 and 10?
  35. 35.Is 2 a factor of 17? (a) No (b) Yes
  36. 36.What is the HCF of 28 and 35?
  37. 37.Which of these is a factor of 18? (a) 5 (b) 12 (c) 9
  38. 38.What is the HCF of 6 and 30?
  39. 39.What is the HCF of 16 and 24?
  40. 40.Which of these is a factor of 42? (a) 25 (b) 33 (c) 6

Answer key

  1. 2
  2. No
  3. Yes
  4. 65
  5. 4
  6. Yes
  7. 42
  8. 2
  9. 8
  10. 18
  11. 43
  12. 8
  13. Yes
  14. 9
  15. 64
  16. 4
  17. 3
  18. 63
  19. No
  20. 8
  21. 4
  22. No
  23. 60
  24. 4
  25. 17
  26. 30
  27. 70
  28. No
  29. No
  30. 20
  31. 5
  32. 5
  33. 40
  34. 20
  35. No
  36. 7
  37. 9
  38. 6
  39. 8
  40. 6

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