How this calculation works
Find the least common multiple and greatest common divisor of integers. The result is calculated locally in your browser from the visible inputs, and the method below remains available for checking.
Worked example
For 12, 18 and 24, GCD is 6 and LCM is 72.
Assumptions and limits
- Inputs use the units shown beside each field.
- Intermediate values retain precision; displayed values are rounded for readability.
Questions people ask
How does the LCM & GCD Calculator work?
It applies this displayed method: GCD uses the Euclidean algorithm; LCM(a,b) = |ab| ÷ GCD(a,b), reduced across all values. Values stay in your browser and are not submitted to a server.
What should I check before using the LCM & GCD result?
Inputs use the units shown beside each field. Intermediate values retain precision; displayed values are rounded for readability. The result follows the displayed mathematical definition and the precision of the values entered.
Does this LCM & GCD calculator save my information?
No. Calculation inputs are processed on this device. Sharing creates a URL only when you choose the share action.