CALCULATORS / FREE ONLINE TOOL

GCD & LCM Calculator

Find a greatest common divisor and least common multiple.

Free to use On-device processing No account needed
Your workspace Runs privately in your browser
GCD & LCM Calculator inputs

A little guidance.

Calculate GCD and LCM for up to 50 signed integers, using their absolute values. Any zero makes the LCM zero. GCD(0, 0) is reported as zero by convention. Each integer may contain up to 100 digits.

How it works

  1. Enter your values, or use the example to get started.
  2. Select “Calculate” to process your input in your browser.
  3. Review the result, then copy or download it when available.

Good to know.

Is my input sent to a server?

No. This tool runs in your browser. KILIZU does not upload or store the values or files you enter here.