The GCF is 7.
The greatest common factor of 14, 21 and 49 is 7.
7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.
7
The GCF of 21, 49 and 115 is 1.
It is: 1
It is: 7
The greatest common factor of 21 and 49 is 7.21 = 3 x 7, 49 = 7 x 7 so GCF = 7.
It is seven (7).
The GCF is 7
The GCF is 7.
The greatest common factor of 49 and 343 is 49.