What is the Greatest Common Factor of 25309 and 25328?

Greatest common factor (GCF) of 25309 and 25328 is 1.

GCF(25309,25328) = 1

We will now calculate the prime factors of 25309 and 25328, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25309 and 25328.

How to find the GCF of 25309 and 25328?

We will first find the prime factorization of 25309 and 25328. After we will calculate the factors of 25309 and 25328 and find the biggest common factor number .

Step-1: Prime Factorization of 25309

Prime factors of 25309 are 25309. Prime factorization of 25309 in exponential form is:

25309 = 25309¹

Step-2: Prime Factorization of 25328

Prime factors of 25328 are 2, 1583. Prime factorization of 25328 in exponential form is:

25328 = 2⁴ × 1583¹

Step-3: Factors of 25309

List of positive integer factors of 25309 that divides 25309 without a remainder.

Step-4: Factors of 25328

List of positive integer factors of 25328 that divides 25309 without a remainder.

1, 2, 4, 8, 16, 1583, 3166, 6332, 12664

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25309 and 25328. The biggest common factor number is the GCF number.
So the greatest common factor 25309 and 25328 is 1.

Also check out the Least Common Multiple of 25309 and 25328