What is the Greatest Common Factor of 13889 and 13895?

Greatest common factor (GCF) of 13889 and 13895 is 1.

GCF(13889,13895) = 1

We will now calculate the prime factors of 13889 and 13895, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13889 and 13895.

How to find the GCF of 13889 and 13895?

We will first find the prime factorization of 13889 and 13895. After we will calculate the factors of 13889 and 13895 and find the biggest common factor number .

Step-1: Prime Factorization of 13889

Prime factors of 13889 are 17, 19, 43. Prime factorization of 13889 in exponential form is:

13889 = 17¹ × 19¹ × 43¹

Step-2: Prime Factorization of 13895

Prime factors of 13895 are 5, 7, 397. Prime factorization of 13895 in exponential form is:

13895 = 5¹ × 7¹ × 397¹

Step-3: Factors of 13889

List of positive integer factors of 13889 that divides 13889 without a remainder.

1, 17, 19, 43, 323, 731, 817

Step-4: Factors of 13895

List of positive integer factors of 13895 that divides 13889 without a remainder.

1, 5, 7, 35, 397, 1985, 2779

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13889 and 13895. The biggest common factor number is the GCF number.
So the greatest common factor 13889 and 13895 is 1.

Also check out the Least Common Multiple of 13889 and 13895