Answer: The common factors of 6 and 9 are 1 and 3.
Explanation:
Factoring 6:
1 x 6
2 x 3
The factors of 6 are: 1, 2, 3, 6
Factoring 9:
1 x 9
3 x 3
The factors of 9 are: 1, 3, 9
