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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 10 · 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 multiple of 10? (a) 76 (b) 80 (c) 28
  2. 2.What is the LCM of 3 and 7?
  3. 3.Which of these is a factor of 40? (a) 13 (b) 17 (c) 8
  4. 4.Which of these is a prime number? (a) 20 (b) 29 (c) 26
  5. 5.Is 4 a factor of 48? (a) No (b) Yes
  6. 6.Which of these is a multiple of 4? (a) 21 (b) 23 (c) 16
  7. 7.How many factors does 20 have?
  8. 8.Which of these is a factor of 42? (a) 27 (b) 11 (c) 2
  9. 9.Which of these is a factor of 12? (a) 7 (b) 8 (c) 4
  10. 10.Which of these is a prime number? (a) 14 (b) 18 (c) 7
  11. 11.What is the HCF of 5 and 40?
  12. 12.How many factors does 36 have?
  13. 13.Which of these is a multiple of 3? (a) 23 (b) 29 (c) 21
  14. 14.How many factors does 6 have?
  15. 15.Which of these is a prime number? (a) 27 (b) 32 (c) 19
  16. 16.Which of these is a factor of 48? (a) 8 (b) 38 (c) 43
  17. 17.Is 3 a factor of 23? (a) No (b) Yes
  18. 18.Which of these is a prime number? (a) 5 (b) 38 (c) 26
  19. 19.What is the HCF of 2 and 18?
  20. 20.Is 6 a factor of 24? (a) No (b) Yes
  21. 21.Which of these is a multiple of 4? (a) 35 (b) 8 (c) 25
  22. 22.Which of these is a factor of 12? (a) 7 (b) 10 (c) 2
  23. 23.How many factors does 42 have?
  24. 24.Which of these is a factor of 36? (a) 2 (b) 14 (c) 16
  25. 25.Which of these is a factor of 60? (a) 27 (b) 34 (c) 10
  26. 26.Which of these is a prime number? (a) 4 (b) 15 (c) 31
  27. 27.How many factors does 12 have?
  28. 28.Which of these is a prime number? (a) 20 (b) 10 (c) 41
  29. 29.Which of these is a prime number? (a) 11 (b) 25 (c) 46
  30. 30.Which of these is a multiple of 5? (a) 34 (b) 29 (c) 20
  31. 31.Which of these is a prime number? (a) 12 (b) 17 (c) 4
  32. 32.What is the HCF of 4 and 8?
  33. 33.How many factors does 8 have?
  34. 34.What is the LCM of 7 and 12?
  35. 35.What is the HCF of 9 and 15?
  36. 36.What is the LCM of 9 and 15?
  37. 37.Which of these is a prime number? (a) 43 (b) 10 (c) 35
  38. 38.Which of these is a factor of 30? (a) 3 (b) 26 (c) 22
  39. 39.How many factors does 24 have?
  40. 40.What is the LCM of 3 and 5?

Answer key

  1. 80
  2. 21
  3. 8
  4. 29
  5. Yes
  6. 16
  7. 6
  8. 2
  9. 4
  10. 7
  11. 5
  12. 9
  13. 21
  14. 4
  15. 19
  16. 8
  17. No
  18. 5
  19. 2
  20. Yes
  21. 8
  22. 2
  23. 8
  24. 2
  25. 10
  26. 31
  27. 6
  28. 41
  29. 11
  30. 20
  31. 17
  32. 4
  33. 4
  34. 84
  35. 3
  36. 45
  37. 43
  38. 3
  39. 8
  40. 15

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