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GCD & LCM Calculator

Get the GCD and LCM of any set of whole numbers.

Runs in your browser — nothing is uploaded

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How to use GCD & LCM Calculator

  1. Enter two or more whole numbers.
  2. Read the GCD, LCM and factorizations.

Questions

What are GCD and LCM used for?

GCD simplifies fractions and ratios; LCM finds a common denominator or when repeating cycles line up.

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