What is the Greatest Common Factor of 83871 and 83889?

Greatest common factor (GCF) of 83871 and 83889 is 9.

GCF(83871,83889) = 9

We will now calculate the prime factors of 83871 and 83889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83871 and 83889.

How to find the GCF of 83871 and 83889?

We will first find the prime factorization of 83871 and 83889. After we will calculate the factors of 83871 and 83889 and find the biggest common factor number .

Step-1: Prime Factorization of 83871

Prime factors of 83871 are 3, 9319. Prime factorization of 83871 in exponential form is:

83871 = 3² × 9319¹

Step-2: Prime Factorization of 83889

Prime factors of 83889 are 3, 13, 239. Prime factorization of 83889 in exponential form is:

83889 = 3³ × 13¹ × 239¹

Step-3: Factors of 83871

List of positive integer factors of 83871 that divides 83871 without a remainder.

1, 3, 9, 9319, 27957

Step-4: Factors of 83889

List of positive integer factors of 83889 that divides 83871 without a remainder.

1, 3, 9, 13, 27, 39, 117, 239, 351, 717, 2151, 3107, 6453, 9321, 27963

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83871 and 83889. The biggest common factor number is the GCF number.
So the greatest common factor 83871 and 83889 is 9.

Also check out the Least Common Multiple of 83871 and 83889