The GCF is 18.
216 and 234
Any multiples of 18 that differ by 18, like 216 and 234, 234 and 252, 252 and 270, 270 and 288.
The GCF is 72.
The GCF is 18.
The GCF is 2.
The GCF is 36.
The GCF is 6.
gcf(216, 4675) = 1.
The GCF is 72.
Since 18 is a factor of 216, it is automatically the GCF.
Since 24 is a factor of 216, it is automatically the GCF.
The GCF is 26.