How to use this tool
- Enter integer A and B.
- Calculate to get GCD and LCM.
Find greatest common divisor and least common multiple for two integers.
Useful for math exercises, fractions, and number theory basics.
gcd via Euclidean algorithm, lcm = |a*b| / gcd Displays only the relevant calculation/logic function for this tool.
GCD & LCM Calculator helps you find greatest common divisor and least common multiple for two integers.
Yes. You can use this tool for free directly in your browser.
Your inputs stay in your browser while using this tool.