what is the greatest common factor (gcf) of 9 and 27? 1 3 9 27
what is the greatest common factor (gcf) of 9 and 27? 1 3 9 27
Answer
Explanation:
Step1: List factors of 9
The factors of 9 are 1, 3, 9 since $1\times9 = 9$ and $3\times3=9$.
Step2: List factors of 27
The factors of 27 are 1, 3, 9, 27 since $1\times27 = 27$, $3\times9=27$.
Step3: Find the greatest common factor
The common factors of 9 and 27 are 1, 3, 9. The greatest among them is 9.
Answer:
9