GCD & LCM Calculator
Calculate the Greatest Common Divisor and Least Common Multiple of two or more numbers with step-by-step Euclidean division displays.
Processed locally in your browser — nothing is uploaded.
How to Use
- Enter numbers separated by commas.
- Click Calculate.
- Review final values and step-by-step equations.
FAQ
How is the GCD used?
The GCD is useful for reducing fractions to their lowest terms and finding common scale ratios.