Question: what is the greatest common factor of the numbers 8 and 36?
Answer: Greatest Common Factor of 36 and 8. Greatest common factor (GCF) of 36 and 8 is 4. We will now calculate the prime factors of 36 and 8, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 36 and 8.