What is the Greatest Common Factor of 6891 and 6906?

Greatest common factor (GCF) of 6891 and 6906 is 3.

GCF(6891,6906) = 3

We will now calculate the prime factors of 6891 and 6906, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6891 and 6906.

How to find the GCF of 6891 and 6906?

We will first find the prime factorization of 6891 and 6906. After we will calculate the factors of 6891 and 6906 and find the biggest common factor number .

Step-1: Prime Factorization of 6891

Prime factors of 6891 are 3, 2297. Prime factorization of 6891 in exponential form is:

6891 = 3¹ × 2297¹

Step-2: Prime Factorization of 6906

Prime factors of 6906 are 2, 3, 1151. Prime factorization of 6906 in exponential form is:

6906 = 2¹ × 3¹ × 1151¹

Step-3: Factors of 6891

List of positive integer factors of 6891 that divides 6891 without a remainder.

1, 3, 2297

Step-4: Factors of 6906

List of positive integer factors of 6906 that divides 6891 without a remainder.

1, 2, 3, 6, 1151, 2302, 3453

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6891 and 6906. The biggest common factor number is the GCF number.
So the greatest common factor 6891 and 6906 is 3.

Also check out the Least Common Multiple of 6891 and 6906