What is the Greatest Common Factor of 11871 and 11891?

Greatest common factor (GCF) of 11871 and 11891 is 1.

GCF(11871,11891) = 1

We will now calculate the prime factors of 11871 and 11891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11871 and 11891.

How to find the GCF of 11871 and 11891?

We will first find the prime factorization of 11871 and 11891. After we will calculate the factors of 11871 and 11891 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 11891

Prime factors of 11891 are 11, 23, 47. Prime factorization of 11891 in exponential form is:

11891 = 11¹ × 23¹ × 47¹

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 11891

List of positive integer factors of 11891 that divides 11871 without a remainder.

1, 11, 23, 47, 253, 517, 1081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11871 and 11891. The biggest common factor number is the GCF number.
So the greatest common factor 11871 and 11891 is 1.

Also check out the Least Common Multiple of 11871 and 11891