What is the Greatest Common Factor of 18871 and 18889?

Greatest common factor (GCF) of 18871 and 18889 is 1.

GCF(18871,18889) = 1

We will now calculate the prime factors of 18871 and 18889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18871 and 18889.

How to find the GCF of 18871 and 18889?

We will first find the prime factorization of 18871 and 18889. After we will calculate the factors of 18871 and 18889 and find the biggest common factor number .

Step-1: Prime Factorization of 18871

Prime factors of 18871 are 113, 167. Prime factorization of 18871 in exponential form is:

18871 = 113¹ × 167¹

Step-2: Prime Factorization of 18889

Prime factors of 18889 are 13, 1453. Prime factorization of 18889 in exponential form is:

18889 = 13¹ × 1453¹

Step-3: Factors of 18871

List of positive integer factors of 18871 that divides 18871 without a remainder.

1, 113, 167

Step-4: Factors of 18889

List of positive integer factors of 18889 that divides 18871 without a remainder.

1, 13, 1453

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18871 and 18889. The biggest common factor number is the GCF number.
So the greatest common factor 18871 and 18889 is 1.

Also check out the Least Common Multiple of 18871 and 18889