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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 101 · 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.Is 5 a factor of 15? (a) No (b) Yes
  2. 2.What is the HCF of 10 and 12?
  3. 3.Is 3 a factor of 6? (a) Yes (b) No
  4. 4.Which of these is a multiple of 5? (a) 19 (b) 47 (c) 45
  5. 5.Which of these is a prime number? (a) 26 (b) 43 (c) 16
  6. 6.Which of these is a multiple of 4? (a) 26 (b) 16 (c) 17
  7. 7.Which of these is a prime number? (a) 16 (b) 39 (c) 7
  8. 8.What is the LCM of 3 and 5?
  9. 9.Which of these is a factor of 48? (a) 18 (b) 4 (c) 42
  10. 10.Which of these is a multiple of 9? (a) 82 (b) 50 (c) 63
  11. 11.Which of these is a prime number? (a) 50 (b) 25 (c) 3
  12. 12.Which of these is a multiple of 9? (a) 80 (b) 36 (c) 46
  13. 13.What is the LCM of 6 and 14?
  14. 14.How many factors does 6 have?
  15. 15.Which of these is a prime number? (a) 6 (b) 18 (c) 13
  16. 16.Is 3 a factor of 12? (a) No (b) Yes
  17. 17.What is the HCF of 36 and 81?
  18. 18.Which of these is a prime number? (a) 38 (b) 23 (c) 42
  19. 19.What is the HCF of 5 and 35?
  20. 20.Which of these is a prime number? (a) 46 (b) 48 (c) 19
  21. 21.Which of these is a prime number? (a) 9 (b) 29 (c) 10
  22. 22.What is the LCM of 8 and 11?
  23. 23.Which of these is a factor of 36? (a) 34 (b) 10 (c) 12
  24. 24.What is the HCF of 3 and 21?
  25. 25.How many factors does 15 have?
  26. 26.Which of these is a factor of 42? (a) 16 (b) 21 (c) 17
  27. 27.What is the HCF of 12 and 14?
  28. 28.Is 7 a factor of 64? (a) No (b) Yes
  29. 29.Is 8 a factor of 71? (a) Yes (b) No
  30. 30.Which of these is a factor of 18? (a) 13 (b) 2 (c) 10
  31. 31.What is the HCF of 18 and 45?
  32. 32.Which of these is a prime number? (a) 15 (b) 47 (c) 24
  33. 33.Which of these is a factor of 30? (a) 16 (b) 2 (c) 21
  34. 34.Which of these is a prime number? (a) 25 (b) 31 (c) 20
  35. 35.Which of these is a factor of 48? (a) 18 (b) 2 (c) 13
  36. 36.What is the HCF of 21 and 49?
  37. 37.What is the HCF of 45 and 54?
  38. 38.Which of these is a multiple of 3? (a) 7 (b) 20 (c) 18
  39. 39.Which of these is a prime number? (a) 38 (b) 11 (c) 32
  40. 40.What is the HCF of 7 and 21?

Answer key

  1. Yes
  2. 2
  3. Yes
  4. 45
  5. 43
  6. 16
  7. 7
  8. 15
  9. 4
  10. 63
  11. 3
  12. 36
  13. 42
  14. 4
  15. 13
  16. Yes
  17. 9
  18. 23
  19. 5
  20. 19
  21. 29
  22. 88
  23. 12
  24. 3
  25. 4
  26. 21
  27. 2
  28. No
  29. No
  30. 2
  31. 9
  32. 47
  33. 2
  34. 31
  35. 2
  36. 7
  37. 9
  38. 18
  39. 11
  40. 7

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