Find the least common multiple and greatest common divisor of any set of numbers instantly. Free, private and always accurate.
Enter 2, 3 or more integers and get the exact LCM and GCD for all of them.
Uses the Euclidean algorithm and prime factorization — no rounding errors.
All calculations run locally in your browser. Nothing is sent anywhere.
Results update as you type. No buttons, no reloads.
Fraction, ratio and number tools for homework and work.