The greatest common factor (GCF) of 640 and 256 is 128.
The GCF is: 4.
The GCF is 8.
The GCF is 80.
The GCF is 10.
The answer depends on the value of A.
16 cause the highest factor for both 128 and 640
It is: 10
The GCF of the given two numbers is 2
The GCF is: 16The LCM is: 640The LCM is: 640
The GCF is 160.
The GCF is 320.