What is the Greatest Common Factor of 25491 and 25507?

Greatest common factor (GCF) of 25491 and 25507 is 1.

GCF(25491,25507) = 1

We will now calculate the prime factors of 25491 and 25507, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25491 and 25507.

How to find the GCF of 25491 and 25507?

We will first find the prime factorization of 25491 and 25507. After we will calculate the factors of 25491 and 25507 and find the biggest common factor number .

Step-1: Prime Factorization of 25491

Prime factors of 25491 are 3, 29, 293. Prime factorization of 25491 in exponential form is:

25491 = 3¹ × 29¹ × 293¹

Step-2: Prime Factorization of 25507

Prime factors of 25507 are 23, 1109. Prime factorization of 25507 in exponential form is:

25507 = 23¹ × 1109¹

Step-3: Factors of 25491

List of positive integer factors of 25491 that divides 25491 without a remainder.

1, 3, 29, 87, 293, 879, 8497

Step-4: Factors of 25507

List of positive integer factors of 25507 that divides 25491 without a remainder.

1, 23, 1109

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25491 and 25507. The biggest common factor number is the GCF number.
So the greatest common factor 25491 and 25507 is 1.

Also check out the Least Common Multiple of 25491 and 25507