Since 18 is a factor of 180, it is automatically the GCF.
The Greatest Common Factor of 36, 54, 180: 18
The greatest common factor (GCF) is: 18
18
18
The GCF is 18.
The GCF is 18.
The GCF of 126 and 180 is 18.
The GCF is 18.
18
The GCF is 18.
The GCF is 18.
The GCF is 18.