The GCF of all three numbers is 20 !
Nope - 14 is not a factor of 100 or 200. The GCF of all three numbers is 20 !
The GCF is 100.
100 is the GCF.
The GCF is 100.
It is 20
100 and 200 have a GCF of 100.
The GCF is 100.
100
The GCF is 20.
GCF = 20
Since 100 is a factor of 200, it is automatically the GCF.
GCF(200, 700) = 100