GCD Calculator

Calculate the Greatest Common Divisor using the Euclidean algorithm

GCD(a, b) = GCD(b, a mod b) until b = 0

Frequently Asked Questions

How does this calculator work?

Enter your values and the calculator applies the standard mathematical formula to compute the result instantly.

Can I use this for homework?

Yes! This calculator is great for checking your math work. It shows the formula used so you can learn the process.

Is this calculator free?

Yes, all CalcMaster tools are completely free to use.