FINDING FACTORS REVIEW: answers are at the bottom

List all of the factors of each number.

1. 39


2. 32


3. 16


4. 15


5. 29


6. 27


7. 11


8. 40


9. 44


10. 28


11. 43


12. 42


13. 33


14. 49


15. 10


16. 41


17. 65


18. 45


19. 77


20. 25


21. 23


22. 58


23. 48


24. 20


25. 18


26. 37


27. 53


28. 59


29. 31


30. 63


31. 98


32. 74


33. 70


34. 87


35. 81


36. 19


37. 94


38. 26


39. 64


40. 68




Answer Key 1071473
1. 39
1, 3, 13, 39

2. 32
1, 2, 4, 8, 16, 32


3. 16
1, 2, 4, 8, 16


4. 15
1, 3, 5, 15


5. 29
1, 29


6. 27
1, 3, 9, 27


7. 11
1, 11


8. 40
1, 2, 4, 5, 8, 10, 20, 40


9. 44
1, 2, 4, 11, 22, 44


10. 28
1, 2, 4, 7, 14, 28

11. 43
1, 43


12. 42
1, 2, 3, 6, 7, 14, 21, 42


13. 33
1, 3, 11, 33


14. 49
1, 7, 49


15. 10
1, 2, 5, 10


16. 41
1, 41


17. 65
1, 5, 13, 65


18. 45
1, 3, 5, 9, 15, 45


19. 77
1, 7, 11, 77


20. 25
1, 5, 25


21. 23
1, 23


22. 58
1, 2, 29, 58


23. 48
1, 2, 3, 4, 6, 8, 12, 16, 24, 48


24. 20
1, 2, 4, 5, 10, 20


25. 18
1, 2, 3, 6, 9, 18


26. 37
1, 37


27. 53
1, 53


28. 59
1, 59


29. 31
1, 31


30. 63
1, 3, 7, 9, 21, 63


31. 98
1, 2, 7, 14, 49, 98


32. 74
1, 2, 37, 74


33. 70
1, 2, 5, 7, 10, 14, 35, 70


34. 87
1, 3, 29, 87


35. 81
1, 3, 9, 27, 81


36. 19
1, 19


37. 94
1, 2, 47, 94


38. 26
1, 2, 13, 26


39. 64
1, 2, 4, 8, 16, 32, 64


40. 68
1, 2, 4, 17, 34, 68