What is the Greatest Common Factor of 12491 and 12509?

Greatest common factor (GCF) of 12491 and 12509 is 1.

GCF(12491,12509) = 1

We will now calculate the prime factors of 12491 and 12509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12491 and 12509.

How to find the GCF of 12491 and 12509?

We will first find the prime factorization of 12491 and 12509. After we will calculate the factors of 12491 and 12509 and find the biggest common factor number .

Step-1: Prime Factorization of 12491

Prime factors of 12491 are 12491. Prime factorization of 12491 in exponential form is:

12491 = 12491¹

Step-2: Prime Factorization of 12509

Prime factors of 12509 are 7, 1787. Prime factorization of 12509 in exponential form is:

12509 = 7¹ × 1787¹

Step-3: Factors of 12491

List of positive integer factors of 12491 that divides 12491 without a remainder.

Step-4: Factors of 12509

List of positive integer factors of 12509 that divides 12491 without a remainder.

1, 7, 1787

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12491 and 12509. The biggest common factor number is the GCF number.
So the greatest common factor 12491 and 12509 is 1.

Also check out the Least Common Multiple of 12491 and 12509