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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 223 · 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 14 have?
  2. 2.What is the HCF of 10 and 35?
  3. 3.Which of these is a prime number? (a) 22 (b) 3 (c) 42
  4. 4.What is the HCF of 21 and 27?
  5. 5.What is the LCM of 3 and 10?
  6. 6.Which of these is a multiple of 10? (a) 90 (b) 21 (c) 25
  7. 7.What is the LCM of 4 and 10?
  8. 8.Is 6 a factor of 30? (a) No (b) Yes
  9. 9.What is the LCM of 4 and 9?
  10. 10.How many factors does 20 have?
  11. 11.Which of these is a factor of 36? (a) 35 (b) 11 (c) 3
  12. 12.Which of these is a multiple of 10? (a) 71 (b) 20 (c) 52
  13. 13.What is the HCF of 4 and 12?
  14. 14.What is the HCF of 16 and 36?
  15. 15.What is the LCM of 3 and 4?
  16. 16.Which of these is a prime number? (a) 47 (b) 21 (c) 27
  17. 17.Which of these is a prime number? (a) 14 (b) 23 (c) 35
  18. 18.Is 2 a factor of 5? (a) Yes (b) No
  19. 19.What is the HCF of 9 and 36?
  20. 20.Which of these is a prime number? (a) 18 (b) 7 (c) 35
  21. 21.What is the LCM of 8 and 9?
  22. 22.Which of these is a prime number? (a) 27 (b) 26 (c) 37
  23. 23.How many factors does 8 have?
  24. 24.What is the LCM of 3 and 14?
  25. 25.Is 2 a factor of 25? (a) Yes (b) No
  26. 26.Which of these is a factor of 18? (a) 10 (b) 8 (c) 3
  27. 27.What is the HCF of 4 and 14?
  28. 28.How many factors does 45 have?
  29. 29.How many factors does 21 have?
  30. 30.Which of these is a factor of 18? (a) 11 (b) 9 (c) 17
  31. 31.How many factors does 16 have?
  32. 32.Which of these is a multiple of 6? (a) 22 (b) 19 (c) 12
  33. 33.What is the HCF of 12 and 16?
  34. 34.What is the LCM of 4 and 7?
  35. 35.Is 5 a factor of 25? (a) No (b) Yes
  36. 36.Which of these is a factor of 20? (a) 5 (b) 14 (c) 16
  37. 37.How many factors does 48 have?
  38. 38.Which of these is a factor of 60? (a) 57 (b) 16 (c) 30
  39. 39.What is the LCM of 3 and 5?
  40. 40.Which of these is a factor of 20? (a) 7 (b) 10 (c) 15

Answer key

  1. 4
  2. 5
  3. 3
  4. 3
  5. 30
  6. 90
  7. 20
  8. Yes
  9. 36
  10. 6
  11. 3
  12. 20
  13. 4
  14. 4
  15. 12
  16. 47
  17. 23
  18. No
  19. 9
  20. 7
  21. 72
  22. 37
  23. 4
  24. 42
  25. No
  26. 3
  27. 2
  28. 6
  29. 4
  30. 9
  31. 5
  32. 12
  33. 4
  34. 28
  35. Yes
  36. 5
  37. 10
  38. 30
  39. 15
  40. 10

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