What is the Greatest Common Factor of 13878 and 13896?

Greatest common factor (GCF) of 13878 and 13896 is 18.

GCF(13878,13896) = 18

We will now calculate the prime factors of 13878 and 13896, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13878 and 13896.

How to find the GCF of 13878 and 13896?

We will first find the prime factorization of 13878 and 13896. After we will calculate the factors of 13878 and 13896 and find the biggest common factor number .

Step-1: Prime Factorization of 13878

Prime factors of 13878 are 2, 3, 257. Prime factorization of 13878 in exponential form is:

13878 = 2¹ × 3³ × 257¹

Step-2: Prime Factorization of 13896

Prime factors of 13896 are 2, 3, 193. Prime factorization of 13896 in exponential form is:

13896 = 2³ × 3² × 193¹

Step-3: Factors of 13878

List of positive integer factors of 13878 that divides 13878 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2313, 4626, 6939

Step-4: Factors of 13896

List of positive integer factors of 13896 that divides 13878 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1544, 1737, 2316, 3474, 4632, 6948

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13878 and 13896. The biggest common factor number is the GCF number.
So the greatest common factor 13878 and 13896 is 18.

Also check out the Least Common Multiple of 13878 and 13896