It is 18.
The GCF is: 9
It is: 18
It is: 18
The GCF/HCF of 56 and 180 is 4.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF is 9.
The GCF is 18.
Oh, dude, the Greatest Common Factor (GCF) of 162, 108, and 180 is 54. It's like the biggest number that can divide all three of them without leaving a remainder. So, yeah, 54 is the cool kid in this math problem.