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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 53 · 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 factor of 12? (a) 5 (b) 4 (c) 9
  2. 2.Which of these is a prime number? (a) 50 (b) 41 (c) 22
  3. 3.How many factors does 20 have?
  4. 4.What is the HCF of 40 and 45?
  5. 5.Is 3 a factor of 12? (a) Yes (b) No
  6. 6.What is the HCF of 6 and 14?
  7. 7.Is 9 a factor of 41? (a) No (b) Yes
  8. 8.Which of these is a multiple of 12? (a) 89 (b) 24 (c) 98
  9. 9.Which of these is a prime number? (a) 12 (b) 11 (c) 50
  10. 10.Is 4 a factor of 22? (a) No (b) Yes
  11. 11.Which of these is a factor of 40? (a) 10 (b) 17 (c) 35
  12. 12.Which of these is a factor of 18? (a) 16 (b) 13 (c) 6
  13. 13.Which of these is a multiple of 9? (a) 27 (b) 70 (c) 28
  14. 14.What is the LCM of 4 and 10?
  15. 15.Which of these is a prime number? (a) 29 (b) 33 (c) 38
  16. 16.What is the HCF of 6 and 30?
  17. 17.How many factors does 15 have?
  18. 18.What is the HCF of 25 and 35?
  19. 19.Is 4 a factor of 44? (a) Yes (b) No
  20. 20.Which of these is a factor of 48? (a) 5 (b) 4 (c) 15
  21. 21.How many factors does 18 have?
  22. 22.How many factors does 8 have?
  23. 23.How many factors does 28 have?
  24. 24.Which of these is a multiple of 6? (a) 22 (b) 12 (c) 43
  25. 25.Which of these is a prime number? (a) 13 (b) 27 (c) 33
  26. 26.How many factors does 21 have?
  27. 27.How many factors does 42 have?
  28. 28.Is 6 a factor of 72? (a) No (b) Yes
  29. 29.Is 7 a factor of 34? (a) Yes (b) No
  30. 30.Is 8 a factor of 103? (a) Yes (b) No
  31. 31.How many factors does 14 have?
  32. 32.Which of these is a prime number? (a) 25 (b) 43 (c) 48
  33. 33.Which of these is a factor of 42? (a) 9 (b) 13 (c) 3
  34. 34.How many factors does 16 have?
  35. 35.Which of these is a multiple of 3? (a) 14 (b) 13 (c) 24
  36. 36.What is the LCM of 8 and 12?
  37. 37.What is the LCM of 9 and 15?
  38. 38.Which of these is a multiple of 11? (a) 28 (b) 44 (c) 45
  39. 39.What is the LCM of 5 and 6?
  40. 40.Which of these is a multiple of 5? (a) 45 (b) 34 (c) 11

Answer key

  1. 4
  2. 41
  3. 6
  4. 5
  5. Yes
  6. 2
  7. No
  8. 24
  9. 11
  10. No
  11. 10
  12. 6
  13. 27
  14. 20
  15. 29
  16. 6
  17. 4
  18. 5
  19. Yes
  20. 4
  21. 6
  22. 4
  23. 6
  24. 12
  25. 13
  26. 4
  27. 8
  28. Yes
  29. No
  30. No
  31. 4
  32. 43
  33. 3
  34. 5
  35. 24
  36. 24
  37. 45
  38. 44
  39. 30
  40. 45

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