What is the Greatest Common Factor of 25290 and 25297?

Greatest common factor (GCF) of 25290 and 25297 is 1.

GCF(25290,25297) = 1

We will now calculate the prime factors of 25290 and 25297, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25290 and 25297.

How to find the GCF of 25290 and 25297?

We will first find the prime factorization of 25290 and 25297. After we will calculate the factors of 25290 and 25297 and find the biggest common factor number .

Step-1: Prime Factorization of 25290

Prime factors of 25290 are 2, 3, 5, 281. Prime factorization of 25290 in exponential form is:

25290 = 2¹ × 3² × 5¹ × 281¹

Step-2: Prime Factorization of 25297

Prime factors of 25297 are 41, 617. Prime factorization of 25297 in exponential form is:

25297 = 41¹ × 617¹

Step-3: Factors of 25290

List of positive integer factors of 25290 that divides 25290 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 1405, 1686, 2529, 2810, 4215, 5058, 8430, 12645

Step-4: Factors of 25297

List of positive integer factors of 25297 that divides 25290 without a remainder.

1, 41, 617

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25290 and 25297. The biggest common factor number is the GCF number.
So the greatest common factor 25290 and 25297 is 1.

Also check out the Least Common Multiple of 25290 and 25297