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Our site contains more than 100 free online calculators on math, geometry and physics.

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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.

Enter the two numbers
The first number:
The second number:
Solved today:
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