What is the Greatest Common Factor of 15867 and 15887?

Greatest common factor (GCF) of 15867 and 15887 is 1.

GCF(15867,15887) = 1

We will now calculate the prime factors of 15867 and 15887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15867 and 15887.

How to find the GCF of 15867 and 15887?

We will first find the prime factorization of 15867 and 15887. After we will calculate the factors of 15867 and 15887 and find the biggest common factor number .

Step-1: Prime Factorization of 15867

Prime factors of 15867 are 3, 41, 43. Prime factorization of 15867 in exponential form is:

15867 = 3² × 41¹ × 43¹

Step-2: Prime Factorization of 15887

Prime factors of 15887 are 15887. Prime factorization of 15887 in exponential form is:

15887 = 15887¹

Step-3: Factors of 15867

List of positive integer factors of 15867 that divides 15867 without a remainder.

1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 5289

Step-4: Factors of 15887

List of positive integer factors of 15887 that divides 15867 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15867 and 15887. The biggest common factor number is the GCF number.
So the greatest common factor 15867 and 15887 is 1.

Also check out the Least Common Multiple of 15867 and 15887