What is the Greatest Common Factor of 11391 and 11409?

Greatest common factor (GCF) of 11391 and 11409 is 3.

GCF(11391,11409) = 3

We will now calculate the prime factors of 11391 and 11409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11391 and 11409.

How to find the GCF of 11391 and 11409?

We will first find the prime factorization of 11391 and 11409. After we will calculate the factors of 11391 and 11409 and find the biggest common factor number .

Step-1: Prime Factorization of 11391

Prime factors of 11391 are 3, 3797. Prime factorization of 11391 in exponential form is:

11391 = 3¹ × 3797¹

Step-2: Prime Factorization of 11409

Prime factors of 11409 are 3, 3803. Prime factorization of 11409 in exponential form is:

11409 = 3¹ × 3803¹

Step-3: Factors of 11391

List of positive integer factors of 11391 that divides 11391 without a remainder.

1, 3, 3797

Step-4: Factors of 11409

List of positive integer factors of 11409 that divides 11391 without a remainder.

1, 3, 3803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11391 and 11409. The biggest common factor number is the GCF number.
So the greatest common factor 11391 and 11409 is 3.

Also check out the Least Common Multiple of 11391 and 11409