What is the Greatest Common Factor of 4947 and 4957?

Greatest common factor (GCF) of 4947 and 4957 is 1.

GCF(4947,4957) = 1

We will now calculate the prime factors of 4947 and 4957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4947 and 4957.

How to find the GCF of 4947 and 4957?

We will first find the prime factorization of 4947 and 4957. After we will calculate the factors of 4947 and 4957 and find the biggest common factor number .

Step-1: Prime Factorization of 4947

Prime factors of 4947 are 3, 17, 97. Prime factorization of 4947 in exponential form is:

4947 = 3¹ × 17¹ × 97¹

Step-2: Prime Factorization of 4957

Prime factors of 4957 are 4957. Prime factorization of 4957 in exponential form is:

4957 = 4957¹

Step-3: Factors of 4947

List of positive integer factors of 4947 that divides 4947 without a remainder.

1, 3, 17, 51, 97, 291, 1649

Step-4: Factors of 4957

List of positive integer factors of 4957 that divides 4947 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4947 and 4957. The biggest common factor number is the GCF number.
So the greatest common factor 4947 and 4957 is 1.

Also check out the Least Common Multiple of 4947 and 4957