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  3. GCD & LCM Calculator
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About GCD & LCM Calculator

Find the greatest common divisor (GCD) and least common multiple (LCM) of two or more integers. Results appear instantly along with the prime factorizations used to compute them.

Quick Start Guide

  1. 1Enter two or more positive integers separated by commas
  2. 2View the GCD, LCM, and prime factorizations

Capabilities

  • GCD and LCM for multiple numbers at once
  • Prime factorization display
  • Step-by-step Euclidean algorithm breakdown

Frequently Asked Questions

Can I enter more than two numbers?

Yes. The tool computes GCD and LCM across any number of inputs by iterating pairwise.

What is the relationship between GCD and LCM?

For two numbers a and b: GCD(a, b) × LCM(a, b) = a × b.

Privacy First

All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.