What is the greatest common factor of 54 and 72?(1 point)

Responses

8
8

9
9

12
12

18
show work

1 answer

To find the greatest common factor of 54 and 72, we can list out the factors of each number and find the largest one that they have in common:

Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

The factors they have in common are 1, 2, 3, 6, 9, 18. The largest of these is 18.

Therefore, the greatest common factor of 54 and 72 is 18.
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