What is the Greatest Common Factor of 23491 and 23509?

Greatest common factor (GCF) of 23491 and 23509 is 1.

GCF(23491,23509) = 1

We will now calculate the prime factors of 23491 and 23509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23491 and 23509.

How to find the GCF of 23491 and 23509?

We will first find the prime factorization of 23491 and 23509. After we will calculate the factors of 23491 and 23509 and find the biggest common factor number .

Step-1: Prime Factorization of 23491

Prime factors of 23491 are 13, 139. Prime factorization of 23491 in exponential form is:

23491 = 13² × 139¹

Step-2: Prime Factorization of 23509

Prime factors of 23509 are 23509. Prime factorization of 23509 in exponential form is:

23509 = 23509¹

Step-3: Factors of 23491

List of positive integer factors of 23491 that divides 23491 without a remainder.

1, 13, 139, 169, 1807

Step-4: Factors of 23509

List of positive integer factors of 23509 that divides 23491 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23491 and 23509. The biggest common factor number is the GCF number.
So the greatest common factor 23491 and 23509 is 1.

Also check out the Least Common Multiple of 23491 and 23509