Since 3 is a factor of 9, it is automatically the GCF.
9, 18, 27
The GCF is 1.
The GCF is 1.
Since 3 is a factor of 9, it is automatically the GCF.
The GCF is 1.
The GCF is three.
The GCF is 3.
Nine
It is: 9
The GCF is 3.
The GCF is 3.
GCF(72, 27) = 9