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GCD / LCM Calculator

v1.1.1

Compute GCD and LCM for multiple numbers with Euclidean algorithm step-by-step.

Computes the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) for two or more integers using the Euclidean algorithm, with step-by-step working shown.

How to use
  • Enter two or more integers separated by spaces or commas.
  • See the GCD and LCM results instantly, with Euclidean algorithm steps expanded below.
  • Useful for fraction simplification, finding common denominators, and number theory problems.

Enter comma-separated integers