What is the Greatest Common Factor of 6399 and 6406?

Greatest common factor (GCF) of 6399 and 6406 is 1.

GCF(6399,6406) = 1

We will now calculate the prime factors of 6399 and 6406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6399 and 6406.

How to find the GCF of 6399 and 6406?

We will first find the prime factorization of 6399 and 6406. After we will calculate the factors of 6399 and 6406 and find the biggest common factor number .

Step-1: Prime Factorization of 6399

Prime factors of 6399 are 3, 79. Prime factorization of 6399 in exponential form is:

6399 = 3⁴ × 79¹

Step-2: Prime Factorization of 6406

Prime factors of 6406 are 2, 3203. Prime factorization of 6406 in exponential form is:

6406 = 2¹ × 3203¹

Step-3: Factors of 6399

List of positive integer factors of 6399 that divides 6399 without a remainder.

1, 3, 9, 27, 79, 81, 237, 711, 2133

Step-4: Factors of 6406

List of positive integer factors of 6406 that divides 6399 without a remainder.

1, 2, 3203

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6399 and 6406. The biggest common factor number is the GCF number.
So the greatest common factor 6399 and 6406 is 1.

Also check out the Least Common Multiple of 6399 and 6406