What is the Greatest Common Factor of 25239 and 25245?

Greatest common factor (GCF) of 25239 and 25245 is 3.

GCF(25239,25245) = 3

We will now calculate the prime factors of 25239 and 25245, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25239 and 25245.

How to find the GCF of 25239 and 25245?

We will first find the prime factorization of 25239 and 25245. After we will calculate the factors of 25239 and 25245 and find the biggest common factor number .

Step-1: Prime Factorization of 25239

Prime factors of 25239 are 3, 47, 179. Prime factorization of 25239 in exponential form is:

25239 = 3¹ × 47¹ × 179¹

Step-2: Prime Factorization of 25245

Prime factors of 25245 are 3, 5, 11, 17. Prime factorization of 25245 in exponential form is:

25245 = 3³ × 5¹ × 11¹ × 17¹

Step-3: Factors of 25239

List of positive integer factors of 25239 that divides 25239 without a remainder.

1, 3, 47, 141, 179, 537, 8413

Step-4: Factors of 25245

List of positive integer factors of 25245 that divides 25239 without a remainder.

1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 935, 1485, 1683, 2295, 2805, 5049, 8415

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25239 and 25245. The biggest common factor number is the GCF number.
So the greatest common factor 25239 and 25245 is 3.

Also check out the Least Common Multiple of 25239 and 25245