What is the Greatest Common Factor of 13857 and 13868?

Greatest common factor (GCF) of 13857 and 13868 is 1.

GCF(13857,13868) = 1

We will now calculate the prime factors of 13857 and 13868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13857 and 13868.

How to find the GCF of 13857 and 13868?

We will first find the prime factorization of 13857 and 13868. After we will calculate the factors of 13857 and 13868 and find the biggest common factor number .

Step-1: Prime Factorization of 13857

Prime factors of 13857 are 3, 31, 149. Prime factorization of 13857 in exponential form is:

13857 = 3¹ × 31¹ × 149¹

Step-2: Prime Factorization of 13868

Prime factors of 13868 are 2, 3467. Prime factorization of 13868 in exponential form is:

13868 = 2² × 3467¹

Step-3: Factors of 13857

List of positive integer factors of 13857 that divides 13857 without a remainder.

1, 3, 31, 93, 149, 447, 4619

Step-4: Factors of 13868

List of positive integer factors of 13868 that divides 13857 without a remainder.

1, 2, 4, 3467, 6934

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13857 and 13868. The biggest common factor number is the GCF number.
So the greatest common factor 13857 and 13868 is 1.

Also check out the Least Common Multiple of 13857 and 13868