LCM Calculator
Compute the Least Common Multiple (LCM) of several numbers. Enter your values, click Calculate, and get the full result with its breakdown — everything is processed on your device, nothing is sent to a server.
All calculations run in your browser. Your data is never sent to our servers.
Example
Example Input
4, 6
Example Output
12
How to Use
- 1Fill in each input field with the values you want to compute.
- 2If there are choices (units, mode, operation), pick what you need.
- 3Click the Calculate button (or press Ctrl+Enter).
- 4The main result and its breakdown appear in the Result area. Click Copy to copy it.
About the LCM Calculator
The LCM Calculator computes the Least Common Multiple of two or more numbers — the smallest number that is a multiple of them all — via the relation LCM(a,b) = |a×b| / GCD(a,b).
Useful for adding fractions, scheduling, and number-theory problems.
FAQ
Is this LCM Calculator accurate?
Yes. It uses standard formulas and runs directly in your browser at full JavaScript precision (plus BigInt/decimal.js for large numbers where needed).
Is my data sent to a server?
No. All calculations happen entirely on your device. No values are sent to or stored on our servers.