What is the Greatest Common Factor of 26397 and 26409?

Greatest common factor (GCF) of 26397 and 26409 is 3.

GCF(26397,26409) = 3

We will now calculate the prime factors of 26397 and 26409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26397 and 26409.

How to find the GCF of 26397 and 26409?

We will first find the prime factorization of 26397 and 26409. After we will calculate the factors of 26397 and 26409 and find the biggest common factor number .

Step-1: Prime Factorization of 26397

Prime factors of 26397 are 3, 7, 419. Prime factorization of 26397 in exponential form is:

26397 = 3² × 7¹ × 419¹

Step-2: Prime Factorization of 26409

Prime factors of 26409 are 3, 8803. Prime factorization of 26409 in exponential form is:

26409 = 3¹ × 8803¹

Step-3: Factors of 26397

List of positive integer factors of 26397 that divides 26397 without a remainder.

1, 3, 7, 9, 21, 63, 419, 1257, 2933, 3771, 8799

Step-4: Factors of 26409

List of positive integer factors of 26409 that divides 26397 without a remainder.

1, 3, 8803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26397 and 26409. The biggest common factor number is the GCF number.
So the greatest common factor 26397 and 26409 is 3.

Also check out the Least Common Multiple of 26397 and 26409