Education

Least Common Multiple Calculator

Find the least common multiple of two integers.

Calculations run in this browser. Values are not submitted to the server.

Formula and assumptions

LCM(a, b) = |a × b| ÷ GCD(a, b). If either input is zero, the LCM is zero.

Example values are shown in the input placeholders. Results use browser number precision unless the tool uses exact integer arithmetic. Check units and assumptions before using a result.

Browse all tools