The GCF is 9.
gcf of 144 and 54 is 18.
The GCF is 1.
The GCF is 12.
The GCF is 16.
The GCF is 16.
The GCF is 6.
The GCF is 12.
The GCF is 16.
Since 36 is a factor of 144, it is automatically the GCF.
The GCF of 1 and 91 is 1. The GCF of 91 and 91 is 91.
The GCF of 144 and 1000 is 8.