What is the Greatest Common Factor of 4851 and 4857?

Greatest common factor (GCF) of 4851 and 4857 is 3.

GCF(4851,4857) = 3

We will now calculate the prime factors of 4851 and 4857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4851 and 4857.

How to find the GCF of 4851 and 4857?

We will first find the prime factorization of 4851 and 4857. After we will calculate the factors of 4851 and 4857 and find the biggest common factor number .

Step-1: Prime Factorization of 4851

Prime factors of 4851 are 3, 7, 11. Prime factorization of 4851 in exponential form is:

4851 = 3² × 7² × 11¹

Step-2: Prime Factorization of 4857

Prime factors of 4857 are 3, 1619. Prime factorization of 4857 in exponential form is:

4857 = 3¹ × 1619¹

Step-3: Factors of 4851

List of positive integer factors of 4851 that divides 4851 without a remainder.

1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617

Step-4: Factors of 4857

List of positive integer factors of 4857 that divides 4851 without a remainder.

1, 3, 1619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4851 and 4857. The biggest common factor number is the GCF number.
So the greatest common factor 4851 and 4857 is 3.

Also check out the Least Common Multiple of 4851 and 4857