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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 31 · 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.Which of these is a prime number? (a) 16 (b) 8 (c) 31
  3. 3.What is the LCM of 5 and 13?
  4. 4.Which of these is a factor of 18? (a) 6 (b) 7 (c) 17
  5. 5.Which of these is a multiple of 3? (a) 22 (b) 16 (c) 24
  6. 6.What is the HCF of 2 and 16?
  7. 7.What is the HCF of 9 and 21?
  8. 8.Which of these is a prime number? (a) 4 (b) 23 (c) 36
  9. 9.Is 3 a factor of 21? (a) Yes (b) No
  10. 10.Which of these is a factor of 40? (a) 24 (b) 10 (c) 38
  11. 11.What is the HCF of 63 and 72?
  12. 12.What is the LCM of 5 and 8?
  13. 13.What is the HCF of 18 and 30?
  14. 14.What is the HCF of 27 and 63?
  15. 15.Which of these is a factor of 48? (a) 15 (b) 20 (c) 16
  16. 16.How many factors does 15 have?
  17. 17.Is 7 a factor of 70? (a) Yes (b) No
  18. 18.Which of these is a factor of 30? (a) 28 (b) 6 (c) 20
  19. 19.What is the LCM of 4 and 7?
  20. 20.How many factors does 8 have?
  21. 21.How many factors does 42 have?
  22. 22.Is 3 a factor of 18? (a) Yes (b) No
  23. 23.Which of these is a factor of 60? (a) 27 (b) 15 (c) 29
  24. 24.How many factors does 10 have?
  25. 25.Which of these is a multiple of 6? (a) 41 (b) 42 (c) 19
  26. 26.What is the HCF of 18 and 81?
  27. 27.Which of these is a prime number? (a) 28 (b) 32 (c) 11
  28. 28.How many factors does 12 have?
  29. 29.Which of these is a factor of 36? (a) 6 (b) 10 (c) 26
  30. 30.Which of these is a prime number? (a) 30 (b) 14 (c) 17
  31. 31.What is the LCM of 9 and 12?
  32. 32.What is the HCF of 2 and 14?
  33. 33.How many factors does 16 have?
  34. 34.What is the HCF of 24 and 32?
  35. 35.Which of these is a factor of 36? (a) 27 (b) 18 (c) 17
  36. 36.Which of these is a prime number? (a) 48 (b) 44 (c) 7
  37. 37.Which of these is a multiple of 10? (a) 60 (b) 26 (c) 52
  38. 38.Is 5 a factor of 51? (a) Yes (b) No
  39. 39.Is 3 a factor of 25? (a) No (b) Yes
  40. 40.What is the HCF of 28 and 36?

Answer key

  1. 4
  2. 31
  3. 65
  4. 6
  5. 24
  6. 2
  7. 3
  8. 23
  9. Yes
  10. 10
  11. 9
  12. 40
  13. 6
  14. 9
  15. 16
  16. 4
  17. Yes
  18. 6
  19. 28
  20. 4
  21. 8
  22. Yes
  23. 15
  24. 4
  25. 42
  26. 9
  27. 11
  28. 6
  29. 6
  30. 17
  31. 36
  32. 2
  33. 5
  34. 8
  35. 18
  36. 7
  37. 60
  38. No
  39. No
  40. 4

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