Question

What is the greatest common factor of 54 and 81? Can you explain how u got it too.

Answer 1

GCF=27

List of positive integer factors of 54 that divides 54 without a remainder:
1,2,3,6,9,18,27,54
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Greatest Common Factor
We found the factors 54,81 . The biggest common factor number is the GCF number.
So the greatest common factor 54,81 is 27.

hope this helps!!

Answer 2

27

Explanation:

The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, and 54.

The factors of 81 are: 1, 3, 9, 27, and 81.

They both have 27 as a factor, so this is the common factor.