# Finding the GCD and LCM online

Our online calculator helps you to find GCD and LCM of two numbers just in a few minutes and without any special skills. To find the GCD and LCM enter the first and the second number (You can enter only the natural numbers. For example: 1, 12, 45), and then click “To calculate”, the calculator will give step by step solution and the answer! Each step will be painted in detail; it will help you to understand how the response was received and to consolidate the covered material.