what is the greatest common factor of 6 and 9?

Explanation:

Step1: List factors of 6

The factors of 6 are 1, 2, 3, 6.

Step2: List factors of 9

The factors of 9 are 1, 3, 9.

Step3: Find common factors

The common factors of 6 and 9 are 1 and 3.

Step4: Determine GCF

The greatest among 1 and 3 is 3.

Answer:

3