The GCF is 108.
The greatest common factor of 540 and 324 is 108.
The GCF is 180.
The GCF is 15.
The GCF is 12.
Since 108 is a factor of 324, it is automatically the GCF.
The GCF of 135 and 324 is 27.
Since 180 is a factor of 540, it is automatically the GCF.
The GCF is 12.
The GCF is 12.
The GCF is 1.
The GCF is 180.