What is the Greatest Common Factor of 12771 and 12781?

Greatest common factor (GCF) of 12771 and 12781 is 1.

GCF(12771,12781) = 1

We will now calculate the prime factors of 12771 and 12781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12771 and 12781.

How to find the GCF of 12771 and 12781?

We will first find the prime factorization of 12771 and 12781. After we will calculate the factors of 12771 and 12781 and find the biggest common factor number .

Step-1: Prime Factorization of 12771

Prime factors of 12771 are 3, 11, 43. Prime factorization of 12771 in exponential form is:

12771 = 3³ × 11¹ × 43¹

Step-2: Prime Factorization of 12781

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

12781 = 12781¹

Step-3: Factors of 12771

List of positive integer factors of 12771 that divides 12771 without a remainder.

1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 4257

Step-4: Factors of 12781

List of positive integer factors of 12781 that divides 12771 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12771 and 12781. The biggest common factor number is the GCF number.
So the greatest common factor 12771 and 12781 is 1.

Also check out the Least Common Multiple of 12771 and 12781