Find the GCF of 42m−28n .(1 point)

The GCF of 42m and 28n can be found by finding the greatest common factor of the coefficients and the variables separately.

The GCF of 42 and 28 is 14.

The GCF of m and n is 1, because the variables are different.

Therefore, the GCF of 42m and 28n is 14.