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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 76 · 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.Which of these is a prime number? (a) 29 (b) 38 (c) 39
  2. 2.What is the HCF of 9 and 54?
  3. 3.Which of these is a prime number? (a) 42 (b) 37 (c) 49
  4. 4.Is 3 a factor of 27? (a) No (b) Yes
  5. 5.What is the LCM of 3 and 7?
  6. 6.Which of these is a factor of 42? (a) 27 (b) 6 (c) 11
  7. 7.How many factors does 6 have?
  8. 8.What is the LCM of 6 and 15?
  9. 9.Which of these is a factor of 24? (a) 16 (b) 2 (c) 11
  10. 10.Is 5 a factor of 46? (a) No (b) Yes
  11. 11.What is the HCF of 2 and 8?
  12. 12.How many factors does 8 have?
  13. 13.How many factors does 15 have?
  14. 14.What is the LCM of 3 and 10?
  15. 15.What is the HCF of 10 and 45?
  16. 16.What is the HCF of 2 and 6?
  17. 17.Which of these is a prime number? (a) 50 (b) 2 (c) 26
  18. 18.What is the HCF of 9 and 12?
  19. 19.What is the LCM of 4 and 15?
  20. 20.Is 4 a factor of 28? (a) No (b) Yes
  21. 21.What is the LCM of 2 and 5?
  22. 22.What is the LCM of 7 and 11?
  23. 23.How many factors does 48 have?
  24. 24.Which of these is a prime number? (a) 7 (b) 44 (c) 20
  25. 25.What is the LCM of 4 and 7?
  26. 26.Which of these is a multiple of 11? (a) 55 (b) 97 (c) 106
  27. 27.Which of these is a factor of 24? (a) 9 (b) 20 (c) 3
  28. 28.Which of these is a prime number? (a) 43 (b) 46 (c) 14
  29. 29.Which of these is a factor of 20? (a) 7 (b) 5 (c) 15
  30. 30.Which of these is a multiple of 7? (a) 31 (b) 62 (c) 63
  31. 31.How many factors does 10 have?
  32. 32.Is 2 a factor of 13? (a) No (b) Yes
  33. 33.Is 5 a factor of 60? (a) No (b) Yes
  34. 34.What is the HCF of 32 and 40?
  35. 35.Which of these is a factor of 40? (a) 36 (b) 14 (c) 4
  36. 36.Which of these is a multiple of 5? (a) 45 (b) 11 (c) 37
  37. 37.How many factors does 16 have?
  38. 38.What is the LCM of 2 and 9?
  39. 39.Which of these is a factor of 18? (a) 2 (b) 12 (c) 11
  40. 40.What is the HCF of 6 and 9?

Answer key

  1. 29
  2. 9
  3. 37
  4. Yes
  5. 21
  6. 6
  7. 4
  8. 30
  9. 2
  10. No
  11. 2
  12. 4
  13. 4
  14. 30
  15. 5
  16. 2
  17. 2
  18. 3
  19. 60
  20. Yes
  21. 10
  22. 77
  23. 10
  24. 7
  25. 28
  26. 55
  27. 3
  28. 43
  29. 5
  30. 63
  31. 4
  32. No
  33. Yes
  34. 8
  35. 4
  36. 45
  37. 5
  38. 18
  39. 2
  40. 3

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