The GCF is 9
The GCF is 2.
18 is the greatest factor of 18.
The greatest common factor of 54 and 72 is 18.
it is 2
Since 18 is a factor of 90 and it is the largest factor of itself, the greatest common factor of 18 and 90 is 18.Since 18 is a factor of 90, it is automatically the GCF.
The GCF is 2.
The GCF is 2.
The GCF is 1
The GCF is: 6
The greatest common factor is 18.
The greatest common factor of 18 and 55 is 1.
The greatest common factor of 39 and 18 is definitely 3.