LCM Calculator
Finds the least common multiple of two numbers.
Lilu Baba's LCM Calculator finds the smallest number that both your inputs divide into evenly.
How to use this calculator
- Enter two whole numbers.
- Their least common multiple updates instantly.
LCM
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FAQ
LCM Calculator — frequently asked questions
Finding a common denominator when adding or subtracting fractions, and solving scheduling/cycle problems.
LCM(a,b) × GCF(a,b) = a × b — the two are directly related through this identity.