Find the GCF (greatest common factor) of the following terms.
{14,28,70}
The prime factorization of 14 is 2 x 7.
The prime factorization of 28 is 2^2 x 7.
The prime factorization of 70 is 2 x 5 x 7.
The common factors among the terms are 2 and 7.
Therefore, the greatest common factor is 2 x 7 = 14.