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GCF & LCM Calculator

Find the greatest common factor (GCF/GCD) and least common multiple (LCM) of two or more whole numbers.

Tip from Tink: The LCM is the smallest common denominator when adding fractions.

Greatest common factor
6
Least common multiple
180
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How to use the GCF & LCM Calculator

  1. Type two or more whole numbers.
  2. Read the GCF and LCM.

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