The GCF is 18.
The GCF of 54, 90, and 126 is 9
The GCF is 6.
The GCF is 18.
The GCF is 18.
GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5
The GCF is 18.
The GCF is 3.
The greatest common factor of 54 and 90 is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF is 18.