LCM calculator

Find the least common multiple.

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YOUR RESULT

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THE QUICK GUIDE

How to use lcm calculator

Enter the labelled values, then process it. Copy or download the result.

How it works

LCM(a,b) = a ÷ GCD(a,b) × b; zero yields zero.

A useful example

First whole number: 12; Second whole number: 18 → 36

Good to know

Use consistent units and currency. These are general calculations; verify important results.