What is the Greatest Common Factor of 15887 and 15906?

Greatest common factor (GCF) of 15887 and 15906 is 1.

GCF(15887,15906) = 1

We will now calculate the prime factors of 15887 and 15906, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15887 and 15906.

How to find the GCF of 15887 and 15906?

We will first find the prime factorization of 15887 and 15906. After we will calculate the factors of 15887 and 15906 and find the biggest common factor number .

Step-1: Prime Factorization of 15887

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

15887 = 15887¹

Step-2: Prime Factorization of 15906

Prime factors of 15906 are 2, 3, 11, 241. Prime factorization of 15906 in exponential form is:

15906 = 2¹ × 3¹ × 11¹ × 241¹

Step-3: Factors of 15887

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

Step-4: Factors of 15906

List of positive integer factors of 15906 that divides 15887 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 241, 482, 723, 1446, 2651, 5302, 7953

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15887 and 15906. The biggest common factor number is the GCF number.
So the greatest common factor 15887 and 15906 is 1.

Also check out the Least Common Multiple of 15887 and 15906