The GCF is 1.
The greatest common factor of the numbers 11 and 19 is 1.
7 (7 x 19, 7 x 31)
The GCF is 19.
It is 1 because they are both prime numbers
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is: 19
6, is the greatest common factor of 12 and 18.
1, 111, 19The GCF is 1.
The GCF is: 1
The GCF is 11.