What is the Greatest Common Factor of 25857 and 25867?

Greatest common factor (GCF) of 25857 and 25867 is 1.

GCF(25857,25867) = 1

We will now calculate the prime factors of 25857 and 25867, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25857 and 25867.

How to find the GCF of 25857 and 25867?

We will first find the prime factorization of 25857 and 25867. After we will calculate the factors of 25857 and 25867 and find the biggest common factor number .

Step-1: Prime Factorization of 25857

Prime factors of 25857 are 3, 13, 17. Prime factorization of 25857 in exponential form is:

25857 = 3² × 13² × 17¹

Step-2: Prime Factorization of 25867

Prime factors of 25867 are 25867. Prime factorization of 25867 in exponential form is:

25867 = 25867¹

Step-3: Factors of 25857

List of positive integer factors of 25857 that divides 25857 without a remainder.

1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 1521, 1989, 2873, 8619

Step-4: Factors of 25867

List of positive integer factors of 25867 that divides 25857 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25857 and 25867. The biggest common factor number is the GCF number.
So the greatest common factor 25857 and 25867 is 1.

Also check out the Least Common Multiple of 25857 and 25867