What is the Greatest Common Factor of 13872 and 13881?

Greatest common factor (GCF) of 13872 and 13881 is 3.

GCF(13872,13881) = 3

We will now calculate the prime factors of 13872 and 13881, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13872 and 13881.

How to find the GCF of 13872 and 13881?

We will first find the prime factorization of 13872 and 13881. After we will calculate the factors of 13872 and 13881 and find the biggest common factor number .

Step-1: Prime Factorization of 13872

Prime factors of 13872 are 2, 3, 17. Prime factorization of 13872 in exponential form is:

13872 = 2⁴ × 3¹ × 17²

Step-2: Prime Factorization of 13881

Prime factors of 13881 are 3, 7, 661. Prime factorization of 13881 in exponential form is:

13881 = 3¹ × 7¹ × 661¹

Step-3: Factors of 13872

List of positive integer factors of 13872 that divides 13872 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 289, 408, 578, 816, 867, 1156, 1734, 2312, 3468, 4624, 6936

Step-4: Factors of 13881

List of positive integer factors of 13881 that divides 13872 without a remainder.

1, 3, 7, 21, 661, 1983, 4627

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13872 and 13881. The biggest common factor number is the GCF number.
So the greatest common factor 13872 and 13881 is 3.

Also check out the Least Common Multiple of 13872 and 13881