What is the Greatest Common Factor of 12781 and 12788?

Greatest common factor (GCF) of 12781 and 12788 is 1.

GCF(12781,12788) = 1

We will now calculate the prime factors of 12781 and 12788, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12781 and 12788.

How to find the GCF of 12781 and 12788?

We will first find the prime factorization of 12781 and 12788. After we will calculate the factors of 12781 and 12788 and find the biggest common factor number .

Step-1: Prime Factorization of 12781

Prime factors of 12781 are 12781. Prime factorization of 12781 in exponential form is:

12781 = 12781¹

Step-2: 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-3: Factors of 12781

List of positive integer factors of 12781 that divides 12781 without a remainder.

Step-4: Factors of 12788

List of positive integer factors of 12788 that divides 12781 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12781 and 12788. The biggest common factor number is the GCF number.
So the greatest common factor 12781 and 12788 is 1.

Also check out the Least Common Multiple of 12781 and 12788