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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 42 · 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.How many factors does 42 have?
  2. 2.How many factors does 32 have?
  3. 3.Which of these is a prime number? (a) 3 (b) 35 (c) 36
  4. 4.Which of these is a prime number? (a) 18 (b) 21 (c) 17
  5. 5.Which of these is a prime number? (a) 12 (b) 36 (c) 37
  6. 6.How many factors does 10 have?
  7. 7.Which of these is a multiple of 3? (a) 22 (b) 9 (c) 19
  8. 8.Which of these is a multiple of 3? (a) 14 (b) 18 (c) 13
  9. 9.How many factors does 12 have?
  10. 10.Which of these is a factor of 18? (a) 8 (b) 7 (c) 3
  11. 11.Which of these is a prime number? (a) 9 (b) 45 (c) 5
  12. 12.Is 4 a factor of 43? (a) Yes (b) No
  13. 13.What is the LCM of 9 and 10?
  14. 14.Which of these is a prime number? (a) 49 (b) 19 (c) 18
  15. 15.How many factors does 40 have?
  16. 16.How many factors does 45 have?
  17. 17.How many factors does 28 have?
  18. 18.What is the HCF of 6 and 30?
  19. 19.Is 4 a factor of 48? (a) Yes (b) No
  20. 20.Which of these is a multiple of 7? (a) 48 (b) 24 (c) 35
  21. 21.How many factors does 18 have?
  22. 22.Which of these is a multiple of 11? (a) 91 (b) 74 (c) 44
  23. 23.Is 6 a factor of 41? (a) No (b) Yes
  24. 24.What is the HCF of 5 and 20?
  25. 25.Which of these is a prime number? (a) 49 (b) 7 (c) 48
  26. 26.Which of these is a factor of 12? (a) 11 (b) 2 (c) 7
  27. 27.What is the LCM of 5 and 11?
  28. 28.Which of these is a factor of 48? (a) 13 (b) 20 (c) 8
  29. 29.Which of these is a factor of 40? (a) 12 (b) 8 (c) 7
  30. 30.Which of these is a factor of 48? (a) 45 (b) 23 (c) 12
  31. 31.What is the HCF of 14 and 21?
  32. 32.Which of these is a factor of 48? (a) 42 (b) 24 (c) 18
  33. 33.Is 6 a factor of 24? (a) No (b) Yes
  34. 34.What is the LCM of 3 and 8?
  35. 35.Which of these is a prime number? (a) 43 (b) 30 (c) 49
  36. 36.Which of these is a multiple of 7? (a) 18 (b) 21 (c) 50
  37. 37.Which of these is a prime number? (a) 2 (b) 6 (c) 26
  38. 38.What is the LCM of 12 and 15?
  39. 39.Which of these is a prime number? (a) 50 (b) 32 (c) 31
  40. 40.Which of these is a factor of 36? (a) 24 (b) 6 (c) 8

Answer key

  1. 8
  2. 6
  3. 3
  4. 17
  5. 37
  6. 4
  7. 9
  8. 18
  9. 6
  10. 3
  11. 5
  12. No
  13. 90
  14. 19
  15. 8
  16. 6
  17. 6
  18. 6
  19. Yes
  20. 35
  21. 6
  22. 44
  23. No
  24. 5
  25. 7
  26. 2
  27. 55
  28. 8
  29. 8
  30. 12
  31. 7
  32. 24
  33. Yes
  34. 24
  35. 43
  36. 21
  37. 2
  38. 60
  39. 31
  40. 6

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