What is the Greatest Common Factor of 26391 and 26409?

Greatest common factor (GCF) of 26391 and 26409 is 3.

GCF(26391,26409) = 3

We will now calculate the prime factors of 26391 and 26409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26391 and 26409.

How to find the GCF of 26391 and 26409?

We will first find the prime factorization of 26391 and 26409. After we will calculate the factors of 26391 and 26409 and find the biggest common factor number .

Step-1: Prime Factorization of 26391

Prime factors of 26391 are 3, 19, 463. Prime factorization of 26391 in exponential form is:

26391 = 3¹ × 19¹ × 463¹

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 26391

List of positive integer factors of 26391 that divides 26391 without a remainder.

1, 3, 19, 57, 463, 1389, 8797

Step-4: Factors of 26409

List of positive integer factors of 26409 that divides 26391 without a remainder.

1, 3, 8803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26391 and 26409. The biggest common factor number is the GCF number.
So the greatest common factor 26391 and 26409 is 3.

Also check out the Least Common Multiple of 26391 and 26409