GCD & LCM Calculator

Find greatest common divisor and least common multiple for two integers.

Topic: math

Inputs

Results

Useful for math exercises, fractions, and number theory basics.

How to use this tool

  1. Enter integer A and B.
  2. Calculate to get GCD and LCM.

Formula

gcd via Euclidean algorithm, lcm = |a*b| / gcd

Show Calculation Logic

Displays only the relevant calculation/logic function for this tool.

FAQ

What does the GCD & LCM Calculator do?

GCD & LCM Calculator helps you find greatest common divisor and least common multiple for two integers.

Is this tool free to use?

Yes. You can use this tool for free directly in your browser.

Are my inputs sent to a server?

Your inputs stay in your browser while using this tool.