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Greatest Common Factor Calculator

Find the greatest common factor and least common multiple of two integers.

Greatest common factor
42
of 84 and 126
Absolute values84, 126
Least common multiple252

About the Greatest Common Factor Calculator

Find the greatest common factor and least common multiple of two integers.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

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