What is the Greatest Common Factor of 6821 and 6836?

Greatest common factor (GCF) of 6821 and 6836 is 1.

GCF(6821,6836) = 1

We will now calculate the prime factors of 6821 and 6836, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6821 and 6836.

How to find the GCF of 6821 and 6836?

We will first find the prime factorization of 6821 and 6836. After we will calculate the factors of 6821 and 6836 and find the biggest common factor number .

Step-1: Prime Factorization of 6821

Prime factors of 6821 are 19, 359. Prime factorization of 6821 in exponential form is:

6821 = 19¹ × 359¹

Step-2: Prime Factorization of 6836

Prime factors of 6836 are 2, 1709. Prime factorization of 6836 in exponential form is:

6836 = 2² × 1709¹

Step-3: Factors of 6821

List of positive integer factors of 6821 that divides 6821 without a remainder.

1, 19, 359

Step-4: Factors of 6836

List of positive integer factors of 6836 that divides 6821 without a remainder.

1, 2, 4, 1709, 3418

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6821 and 6836. The biggest common factor number is the GCF number.
So the greatest common factor 6821 and 6836 is 1.

Also check out the Least Common Multiple of 6821 and 6836