What is the Greatest Common Factor of 51809 and 51821?

Greatest common factor (GCF) of 51809 and 51821 is 1.

GCF(51809,51821) = 1

We will now calculate the prime factors of 51809 and 51821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51809 and 51821.

How to find the GCF of 51809 and 51821?

We will first find the prime factorization of 51809 and 51821. After we will calculate the factors of 51809 and 51821 and find the biggest common factor number .

Step-1: Prime Factorization of 51809

Prime factors of 51809 are 103, 503. Prime factorization of 51809 in exponential form is:

51809 = 103¹ × 503¹

Step-2: Prime Factorization of 51821

Prime factors of 51821 are 7, 11, 673. Prime factorization of 51821 in exponential form is:

51821 = 7¹ × 11¹ × 673¹

Step-3: Factors of 51809

List of positive integer factors of 51809 that divides 51809 without a remainder.

1, 103, 503

Step-4: Factors of 51821

List of positive integer factors of 51821 that divides 51809 without a remainder.

1, 7, 11, 77, 673, 4711, 7403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51809 and 51821. The biggest common factor number is the GCF number.
So the greatest common factor 51809 and 51821 is 1.

Also check out the Least Common Multiple of 51809 and 51821