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🔢 LCM & HCF Calculator

Calculate the Least Common Multiple (LCM) and Highest Common Factor (HCF) of numbers. Free online calculator.

Enter numbers and click a button.

How to Use

  1. Enter numbers separated by commas.
  2. Click "Calculate LCM" to find the Least Common Multiple.
  3. Click "Calculate HCF" to find the Highest Common Factor.
  4. View the result and step-by-step details.

Features

  • ✓ 100% free — no hidden charges
  • ✓ No login or signup required
  • ✓ Works on mobile, tablet and desktop
  • ✓ Fast — calculates instantly in your browser
  • ✓ Private — your data never leaves your device
  • ✓ Shows step-by-step calculation details
LCM calculator HCF calculator GCD calculator free online no login

Frequently Asked Questions

Is LCM & HCF Calculator free to use?

Yes, completely free. No signup, no subscription, no limits.

How many numbers can I enter?

You can enter multiple numbers separated by commas.

Is my data safe?

Yes. All processing happens in your browser. Nothing is uploaded to any server.

Does it work on mobile?

Yes. deeptools.io is fully mobile responsive and works on all modern devices.

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