Greatest Common Factor (GCF) Calculator

Enter two or more positive integers separated by commas to calculate their Greatest Common Factor (GCF).

This calculator finds the Greatest Common Factor (GCF) of two or more numbers by:

Validating the input to ensure the numbers are positive integers.
Finding the prime factors of each number.
Identifying the common factors.
Multiplying the common factors to find the GCF.
Providing a step-by-step explanation of the process.