GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15789 and 15797?

Greatest common factor (GCF) of 15789 and 15797 is 1.

GCF(15789,15797) = 1

We will now calculate the prime factors of 15789 and 15797, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15789 and 15797.

GCF Calculator and
and

How to find the GCF of 15789 and 15797?

We will first find the prime factorization of 15789 and 15797. After we will calculate the factors of 15789 and 15797 and find the biggest common factor number .

Step-1: Prime Factorization of 15789

Prime factors of 15789 are 3, 19, 277. Prime factorization of 15789 in exponential form is:

15789 = 31 × 191 × 2771

Step-2: Prime Factorization of 15797

Prime factors of 15797 are 15797. Prime factorization of 15797 in exponential form is:

15797 = 157971

Step-3: Factors of 15789

List of positive integer factors of 15789 that divides 15789 without a remainder.

1, 3, 19, 57, 277, 831, 5263

Step-4: Factors of 15797

List of positive integer factors of 15797 that divides 15789 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15789 and 15797. The biggest common factor number is the GCF number.
So the greatest common factor 15789 and 15797 is 1.

Also check out the Least Common Multiple of 15789 and 15797