What is the Greatest Common Factor of 11871 and 11889?

Greatest common factor (GCF) of 11871 and 11889 is 9.

GCF(11871,11889) = 9

We will now calculate the prime factors of 11871 and 11889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11871 and 11889.

How to find the GCF of 11871 and 11889?

We will first find the prime factorization of 11871 and 11889. After we will calculate the factors of 11871 and 11889 and find the biggest common factor number .

Step-1: Prime Factorization of 11871

Prime factors of 11871 are 3, 1319. Prime factorization of 11871 in exponential form is:

11871 = 3² × 1319¹

Step-2: Prime Factorization of 11889

Prime factors of 11889 are 3, 1321. Prime factorization of 11889 in exponential form is:

11889 = 3² × 1321¹

Step-3: Factors of 11871

List of positive integer factors of 11871 that divides 11871 without a remainder.

1, 3, 9, 1319, 3957

Step-4: Factors of 11889

List of positive integer factors of 11889 that divides 11871 without a remainder.

1, 3, 9, 1321, 3963

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11871 and 11889. The biggest common factor number is the GCF number.
So the greatest common factor 11871 and 11889 is 9.

Also check out the Least Common Multiple of 11871 and 11889