What is the Greatest Common Factor of 12789 and 12808?

Greatest common factor (GCF) of 12789 and 12808 is 1.

GCF(12789,12808) = 1

We will now calculate the prime factors of 12789 and 12808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12789 and 12808.

How to find the GCF of 12789 and 12808?

We will first find the prime factorization of 12789 and 12808. After we will calculate the factors of 12789 and 12808 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 12808

Prime factors of 12808 are 2, 1601. Prime factorization of 12808 in exponential form is:

12808 = 2³ × 1601¹

Step-3: Factors of 12789

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

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

Step-4: Factors of 12808

List of positive integer factors of 12808 that divides 12789 without a remainder.

1, 2, 4, 8, 1601, 3202, 6404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12789 and 12808. The biggest common factor number is the GCF number.
So the greatest common factor 12789 and 12808 is 1.

Also check out the Least Common Multiple of 12789 and 12808