What is the Greatest Common Factor of 25517 and 25521?

Greatest common factor (GCF) of 25517 and 25521 is 1.

GCF(25517,25521) = 1

We will now calculate the prime factors of 25517 and 25521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25517 and 25521.

How to find the GCF of 25517 and 25521?

We will first find the prime factorization of 25517 and 25521. After we will calculate the factors of 25517 and 25521 and find the biggest common factor number .

Step-1: Prime Factorization of 25517

Prime factors of 25517 are 17, 19, 79. Prime factorization of 25517 in exponential form is:

25517 = 17¹ × 19¹ × 79¹

Step-2: Prime Factorization of 25521

Prime factors of 25521 are 3, 47, 181. Prime factorization of 25521 in exponential form is:

25521 = 3¹ × 47¹ × 181¹

Step-3: Factors of 25517

List of positive integer factors of 25517 that divides 25517 without a remainder.

1, 17, 19, 79, 323, 1343, 1501

Step-4: Factors of 25521

List of positive integer factors of 25521 that divides 25517 without a remainder.

1, 3, 47, 141, 181, 543, 8507

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25517 and 25521. The biggest common factor number is the GCF number.
So the greatest common factor 25517 and 25521 is 1.

Also check out the Least Common Multiple of 25517 and 25521