What is the Greatest Common Factor of 15707 and 15717?

Greatest common factor (GCF) of 15707 and 15717 is 1.

GCF(15707,15717) = 1

We will now calculate the prime factors of 15707 and 15717, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15707 and 15717.

How to find the GCF of 15707 and 15717?

We will first find the prime factorization of 15707 and 15717. After we will calculate the factors of 15707 and 15717 and find the biggest common factor number .

Step-1: Prime Factorization of 15707

Prime factors of 15707 are 113, 139. Prime factorization of 15707 in exponential form is:

15707 = 113¹ × 139¹

Step-2: Prime Factorization of 15717

Prime factors of 15717 are 3, 13, 31. Prime factorization of 15717 in exponential form is:

15717 = 3¹ × 13² × 31¹

Step-3: Factors of 15707

List of positive integer factors of 15707 that divides 15707 without a remainder.

1, 113, 139

Step-4: Factors of 15717

List of positive integer factors of 15717 that divides 15707 without a remainder.

1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 5239

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15707 and 15717. The biggest common factor number is the GCF number.
So the greatest common factor 15707 and 15717 is 1.

Also check out the Least Common Multiple of 15707 and 15717