What is the Greatest Common Factor of 15787 and 15806?

Greatest common factor (GCF) of 15787 and 15806 is 1.

GCF(15787,15806) = 1

We will now calculate the prime factors of 15787 and 15806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15787 and 15806.

How to find the GCF of 15787 and 15806?

We will first find the prime factorization of 15787 and 15806. After we will calculate the factors of 15787 and 15806 and find the biggest common factor number .

Step-1: Prime Factorization of 15787

Prime factors of 15787 are 15787. Prime factorization of 15787 in exponential form is:

15787 = 15787¹

Step-2: Prime Factorization of 15806

Prime factors of 15806 are 2, 7, 1129. Prime factorization of 15806 in exponential form is:

15806 = 2¹ × 7¹ × 1129¹

Step-3: Factors of 15787

List of positive integer factors of 15787 that divides 15787 without a remainder.

Step-4: Factors of 15806

List of positive integer factors of 15806 that divides 15787 without a remainder.

1, 2, 7, 14, 1129, 2258, 7903

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15787 and 15806. The biggest common factor number is the GCF number.
So the greatest common factor 15787 and 15806 is 1.

Also check out the Least Common Multiple of 15787 and 15806