What is the Greatest Common Factor of 25790 and 25806?

Greatest common factor (GCF) of 25790 and 25806 is 2.

GCF(25790,25806) = 2

We will now calculate the prime factors of 25790 and 25806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25790 and 25806.

How to find the GCF of 25790 and 25806?

We will first find the prime factorization of 25790 and 25806. After we will calculate the factors of 25790 and 25806 and find the biggest common factor number .

Step-1: Prime Factorization of 25790

Prime factors of 25790 are 2, 5, 2579. Prime factorization of 25790 in exponential form is:

25790 = 2¹ × 5¹ × 2579¹

Step-2: Prime Factorization of 25806

Prime factors of 25806 are 2, 3, 11, 17, 23. Prime factorization of 25806 in exponential form is:

25806 = 2¹ × 3¹ × 11¹ × 17¹ × 23¹

Step-3: Factors of 25790

List of positive integer factors of 25790 that divides 25790 without a remainder.

1, 2, 5, 10, 2579, 5158, 12895

Step-4: Factors of 25806

List of positive integer factors of 25806 that divides 25790 without a remainder.

1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 759, 782, 1122, 1173, 1518, 2346, 4301, 8602, 12903

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25790 and 25806. The biggest common factor number is the GCF number.
So the greatest common factor 25790 and 25806 is 2.

Also check out the Least Common Multiple of 25790 and 25806