What is the Greatest Common Factor of 12779 and 12789?

Greatest common factor (GCF) of 12779 and 12789 is 1.

GCF(12779,12789) = 1

We will now calculate the prime factors of 12779 and 12789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12779 and 12789.

How to find the GCF of 12779 and 12789?

We will first find the prime factorization of 12779 and 12789. After we will calculate the factors of 12779 and 12789 and find the biggest common factor number .

Step-1: Prime Factorization of 12779

Prime factors of 12779 are 13, 983. Prime factorization of 12779 in exponential form is:

12779 = 13¹ × 983¹

Step-2: Prime Factorization of 12789

Prime factors of 12789 are 3, 7, 29. Prime factorization of 12789 in exponential form is:

12789 = 3² × 7² × 29¹

Step-3: Factors of 12779

List of positive integer factors of 12779 that divides 12779 without a remainder.

1, 13, 983

Step-4: Factors of 12789

List of positive integer factors of 12789 that divides 12779 without a remainder.

1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12779 and 12789. The biggest common factor number is the GCF number.
So the greatest common factor 12779 and 12789 is 1.

Also check out the Least Common Multiple of 12779 and 12789