Free · Number playground

Least Common Multiple Finder for Kids

Find the first positive number that two whole numbers both divide evenly.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup

Number playground

Try your own numbers

Change the numbers, then press the button to see a clear answer.

Common-number answer

6and8

Least common multiple: 24

This is the first positive number that both numbers divide evenly.

Powered by Fermat.ts, an open-source library available under MIT.

Three simple steps

How to use it

  1. Type one number, two numbers, or a short list.
  2. Press the big button to see the answer and a plain explanation.
  3. Copy the result, then try a new example.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.