What is GCD & LCM Calculator?

Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for two or more numbers. Essential for simplifying fractions, finding common denominators, and solving scheduling problems.

When to Use This Tool

1Simplifying fractions (use GCD)
2Finding when two repeating events coincide (use LCM)
3Algebra and number theory problems

Examples

Input

Numbers: 12, 18

Result

GCD: 6, LCM: 36

Frequently Asked Questions

What is GCD?

GCD (also known as GCF) is the largest number that divides two or more numbers without leaving a remainder.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.