What is the Greatest Common Factor of 13821 and 13831?

Greatest common factor (GCF) of 13821 and 13831 is 1.

GCF(13821,13831) = 1

We will now calculate the prime factors of 13821 and 13831, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13821 and 13831.

How to find the GCF of 13821 and 13831?

We will first find the prime factorization of 13821 and 13831. After we will calculate the factors of 13821 and 13831 and find the biggest common factor number .

Step-1: Prime Factorization of 13821

Prime factors of 13821 are 3, 17, 271. Prime factorization of 13821 in exponential form is:

13821 = 3¹ × 17¹ × 271¹

Step-2: Prime Factorization of 13831

Prime factors of 13831 are 13831. Prime factorization of 13831 in exponential form is:

13831 = 13831¹

Step-3: Factors of 13821

List of positive integer factors of 13821 that divides 13821 without a remainder.

1, 3, 17, 51, 271, 813, 4607

Step-4: Factors of 13831

List of positive integer factors of 13831 that divides 13821 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13821 and 13831. The biggest common factor number is the GCF number.
So the greatest common factor 13821 and 13831 is 1.

Also check out the Least Common Multiple of 13821 and 13831