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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 316 · 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.Which of these is a prime number? (a) 45 (b) 28 (c) 47
  3. 3.What is the HCF of 16 and 72?
  4. 4.Which of these is a factor of 12? (a) 2 (b) 10 (c) 9
  5. 5.Which of these is a prime number? (a) 39 (b) 28 (c) 41
  6. 6.How many factors does 21 have?
  7. 7.What is the HCF of 16 and 40?
  8. 8.Which of these is a prime number? (a) 3 (b) 24 (c) 35
  9. 9.Which of these is a factor of 12? (a) 10 (b) 8 (c) 3
  10. 10.How many factors does 24 have?
  11. 11.Which of these is a prime number? (a) 33 (b) 7 (c) 18
  12. 12.Is 7 a factor of 35? (a) Yes (b) No
  13. 13.How many factors does 6 have?
  14. 14.Is 2 a factor of 22? (a) No (b) Yes
  15. 15.Which of these is a multiple of 10? (a) 30 (b) 55
  16. 16.Which of these is a factor of 24? (a) 16 (b) 4 (c) 22
  17. 17.Is 9 a factor of 50? (a) No (b) Yes
  18. 18.Is 8 a factor of 40? (a) Yes (b) No
  19. 19.Is 7 a factor of 84? (a) No (b) Yes
  20. 20.Which of these is a prime number? (a) 31 (b) 35 (c) 36
  21. 21.How many factors does 45 have?
  22. 22.What is the HCF of 10 and 14?
  23. 23.What is the HCF of 7 and 35?
  24. 24.What is the HCF of 20 and 25?
  25. 25.Is 2 a factor of 21? (a) Yes (b) No
  26. 26.What is the LCM of 7 and 11?
  27. 27.How many factors does 16 have?
  28. 28.Which of these is a factor of 36? (a) 16 (b) 23 (c) 6
  29. 29.What is the HCF of 6 and 21?
  30. 30.What is the LCM of 2 and 9?
  31. 31.Is 5 a factor of 29? (a) Yes (b) No
  32. 32.Which of these is a prime number? (a) 19 (b) 30 (c) 35
  33. 33.What is the HCF of 18 and 24?
  34. 34.How many factors does 30 have?
  35. 35.Is 2 a factor of 12? (a) No (b) Yes
  36. 36.Which of these is a prime number? (a) 42 (b) 30 (c) 29
  37. 37.Which of these is a factor of 40? (a) 3 (b) 34 (c) 2
  38. 38.Which of these is a factor of 48? (a) 6 (b) 34 (c) 31
  39. 39.Which of these is a multiple of 7? (a) 15 (b) 42 (c) 48
  40. 40.Which of these is a prime number? (a) 33 (b) 23 (c) 21

Answer key

  1. 8
  2. 47
  3. 8
  4. 2
  5. 41
  6. 4
  7. 8
  8. 3
  9. 3
  10. 8
  11. 7
  12. Yes
  13. 4
  14. Yes
  15. 30
  16. 4
  17. No
  18. Yes
  19. Yes
  20. 31
  21. 6
  22. 2
  23. 7
  24. 5
  25. No
  26. 77
  27. 5
  28. 6
  29. 3
  30. 18
  31. No
  32. 19
  33. 6
  34. 8
  35. Yes
  36. 29
  37. 2
  38. 6
  39. 42
  40. 23

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