Factors of a Number

Answer Key - Grade 5 Math Worksheet

List all the factors of each number, smallest first.

1. 1.

   5

   1, 5
2. 2.

   93

   1, 3, 31, 93
3. 3.

   81

   1, 3, 9, 27, 81
4. 4.

   73

   1, 73
5. 5.

   89

   1, 89
6. 6.

   99

   1, 3, 9, 11, 33, 99
7. 7.

   88

   1, 2, 4, 8, 11, 22, 44, 88
8. 8.

   16

   1, 2, 4, 8, 16
9. 9.

   22

   1, 2, 11, 22
10. 10.

    42

    1, 2, 3, 6, 7, 14, 21, 42
11. 11.

    21

    1, 3, 7, 21
12. 12.

    82

    1, 2, 41, 82
13. 13.

    77

    1, 7, 11, 77
14. 14.

    87

    1, 3, 29, 87
15. 15.

    6

    1, 2, 3, 6