It is: 2
6 and 126 and 1812 and 18
The GCF of 18, 12 and 36 is 6. The GCF of 1812 and 36 is 12.
The GCF of -6 and -2 is 2.
The GCF of 4 and 6 is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is: 2
The GCF is 2. It is: 2The GCF is 2.The GCF is 2.
The GCF is: 2