What is the Greatest Common Factor of 12788 and 12806?

Greatest common factor (GCF) of 12788 and 12806 is 2.

GCF(12788,12806) = 2

We will now calculate the prime factors of 12788 and 12806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12788 and 12806.

How to find the GCF of 12788 and 12806?

We will first find the prime factorization of 12788 and 12806. After we will calculate the factors of 12788 and 12806 and find the biggest common factor number .

Step-1: Prime Factorization of 12788

Prime factors of 12788 are 2, 23, 139. Prime factorization of 12788 in exponential form is:

12788 = 2² × 23¹ × 139¹

Step-2: Prime Factorization of 12806

Prime factors of 12806 are 2, 19, 337. Prime factorization of 12806 in exponential form is:

12806 = 2¹ × 19¹ × 337¹

Step-3: Factors of 12788

List of positive integer factors of 12788 that divides 12788 without a remainder.

1, 2, 4, 23, 46, 92, 139, 278, 556, 3197, 6394

Step-4: Factors of 12806

List of positive integer factors of 12806 that divides 12788 without a remainder.

1, 2, 19, 38, 337, 674, 6403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12788 and 12806. The biggest common factor number is the GCF number.
So the greatest common factor 12788 and 12806 is 2.

Also check out the Least Common Multiple of 12788 and 12806