Find the greatest common factor (GCF) of 84 and 126.
Note
Prime factorization or common factors show that the largest factor both numbers share is 42, so the GCF of 84 and 126 is 42.
Find the greatest common factor (GCF) of 84 and 126.
Prime factorization or common factors show that the largest factor both numbers share is 42, so the GCF of 84 and 126 is 42.