What is the Greatest Common Factor of 12798 and 12809?

Greatest common factor (GCF) of 12798 and 12809 is 1.

GCF(12798,12809) = 1

We will now calculate the prime factors of 12798 and 12809, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12798 and 12809.

How to find the GCF of 12798 and 12809?

We will first find the prime factorization of 12798 and 12809. After we will calculate the factors of 12798 and 12809 and find the biggest common factor number .

Step-1: Prime Factorization of 12798

Prime factors of 12798 are 2, 3, 79. Prime factorization of 12798 in exponential form is:

12798 = 2¹ × 3⁴ × 79¹

Step-2: Prime Factorization of 12809

Prime factors of 12809 are 12809. Prime factorization of 12809 in exponential form is:

12809 = 12809¹

Step-3: Factors of 12798

List of positive integer factors of 12798 that divides 12798 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 2133, 4266, 6399

Step-4: Factors of 12809

List of positive integer factors of 12809 that divides 12798 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12798 and 12809. The biggest common factor number is the GCF number.
So the greatest common factor 12798 and 12809 is 1.

Also check out the Least Common Multiple of 12798 and 12809