0
Anonymous
The GCF is 18.
Wiki User
The GCF is 9.
The GCF is 8.
The GCF is 6.
It is 3
The GCF is 4.
1,2,3,6,9,18,27,54 1,2,3,4,6,8,9,12,18,24,36,72
The GCF is 12.