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GCD and LCM Calculator

Greatest common divisor and least common multiple of two integers.

GCD (HCF)
12
LCM
72

Greatest common divisor and least common multiple of two integers.

Frequently asked questions

+What is the gcd & lcm for?

Greatest common divisor and least common multiple of two integers. Enter the inputs on this page and the result updates instantly.

+Is this calculator free?

Yes. Every calculator on thesupercalculator is free to use with no sign-up and no ads on the calculator itself.

+Does this work on mobile?

Yes. Every calculator is fully responsive — the layout adapts to phones, tablets, and desktops.

+Is my data private?

Yes. All calculation happens in your browser. No inputs or results are sent to any server.

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