Free online LCM (Least Common Multiple) calculator based on GCD. Support batch calculation for multiple numbers. No signup required.
Zero dependencies · Works offlineFree online LCM (Least Common Multiple) calculator based on GCD. Support batch calculation for multiple numbers. No signup required.
The Least Common Multiple (LCM) is the smallest positive integer that is divisible by all given numbers. Example: LCM(4,6) = 12.
Using the formula LCM(a,b) = |a×b| / GCD(a,b). First compute GCD, then derive LCM — efficient and accurate.
Supports 2 to 20 numbers. Separate them with commas or spaces.