What is the Greatest Common Factor of 25887 and 25905?

Greatest common factor (GCF) of 25887 and 25905 is 3.

GCF(25887,25905) = 3

We will now calculate the prime factors of 25887 and 25905, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25887 and 25905.

How to find the GCF of 25887 and 25905?

We will first find the prime factorization of 25887 and 25905. After we will calculate the factors of 25887 and 25905 and find the biggest common factor number .

Step-1: Prime Factorization of 25887

Prime factors of 25887 are 3, 8629. Prime factorization of 25887 in exponential form is:

25887 = 3¹ × 8629¹

Step-2: Prime Factorization of 25905

Prime factors of 25905 are 3, 5, 11, 157. Prime factorization of 25905 in exponential form is:

25905 = 3¹ × 5¹ × 11¹ × 157¹

Step-3: Factors of 25887

List of positive integer factors of 25887 that divides 25887 without a remainder.

1, 3, 8629

Step-4: Factors of 25905

List of positive integer factors of 25905 that divides 25887 without a remainder.

1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 785, 1727, 2355, 5181, 8635

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25887 and 25905. The biggest common factor number is the GCF number.
So the greatest common factor 25887 and 25905 is 3.

Also check out the Least Common Multiple of 25887 and 25905