What is the Greatest Common Factor of 15915 and 15923?

Greatest common factor (GCF) of 15915 and 15923 is 1.

GCF(15915,15923) = 1

We will now calculate the prime factors of 15915 and 15923, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15915 and 15923.

How to find the GCF of 15915 and 15923?

We will first find the prime factorization of 15915 and 15923. After we will calculate the factors of 15915 and 15923 and find the biggest common factor number .

Step-1: Prime Factorization of 15915

Prime factors of 15915 are 3, 5, 1061. Prime factorization of 15915 in exponential form is:

15915 = 3¹ × 5¹ × 1061¹

Step-2: Prime Factorization of 15923

Prime factors of 15923 are 15923. Prime factorization of 15923 in exponential form is:

15923 = 15923¹

Step-3: Factors of 15915

List of positive integer factors of 15915 that divides 15915 without a remainder.

1, 3, 5, 15, 1061, 3183, 5305

Step-4: Factors of 15923

List of positive integer factors of 15923 that divides 15915 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15915 and 15923. The biggest common factor number is the GCF number.
So the greatest common factor 15915 and 15923 is 1.

Also check out the Least Common Multiple of 15915 and 15923