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Greatest Common Divisor Calculator

Compute GCD and LCM for numbers.

Calculate GCD

How to Use

  1. Enter integers separated by spaces or commas
  2. Click calculate to get the GCD and LCM
  3. Review the normalized list of inputs

Understanding GCD

The GCD is the largest integer that divides each number without remainder.

Understanding LCM

LCM is the smallest positive number divisible by all inputs.

Frequently Asked Questions

Can I include negative numbers?
Yes, the calculator uses their absolute values for GCD and LCM.
Why is LCM zero sometimes?
If any input is zero, the LCM is zero by definition.

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