What is the gcf of 27 and 36?

The GCF (Greatest Common Factor) of 27 and 36 is 9.

To find the GCF, we need to find all the factors that both 27 and 36 share in common.

The factors of 27 are: 1, 3, 9, 27

The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36

The common factors of both 27 and 36 are: 1, 3, 9

Out of these, 9 is the greatest common factor, as it is the largest number that divides both 27 and 36 without leaving a remainder.