What is the Greatest Common Factor of 51921 and 51939?

Greatest common factor (GCF) of 51921 and 51939 is 9.

GCF(51921,51939) = 9

We will now calculate the prime factors of 51921 and 51939, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51921 and 51939.

How to find the GCF of 51921 and 51939?

We will first find the prime factorization of 51921 and 51939. After we will calculate the factors of 51921 and 51939 and find the biggest common factor number .

Step-1: Prime Factorization of 51921

Prime factors of 51921 are 3, 641. Prime factorization of 51921 in exponential form is:

51921 = 3⁴ × 641¹

Step-2: Prime Factorization of 51939

Prime factors of 51939 are 3, 29, 199. Prime factorization of 51939 in exponential form is:

51939 = 3² × 29¹ × 199¹

Step-3: Factors of 51921

List of positive integer factors of 51921 that divides 51921 without a remainder.

1, 3, 9, 27, 81, 641, 1923, 5769, 17307

Step-4: Factors of 51939

List of positive integer factors of 51939 that divides 51921 without a remainder.

1, 3, 9, 29, 87, 199, 261, 597, 1791, 5771, 17313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51921 and 51939. The biggest common factor number is the GCF number.
So the greatest common factor 51921 and 51939 is 9.

Also check out the Least Common Multiple of 51921 and 51939