Question: what is the greatest common factor gcf of 49 and 60?
Answer: Greatest Common Factor of 49 and 60. Greatest common factor (GCF) of 49 and 60 is 1. We will now calculate the prime factors of 49 and 60, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49 and 60.