GCF Calculator

Find the largest factor shared by every number.

Runs in your browser — nothing is uploaded

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How to use GCF Calculator

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

Example: 24 and 36 have a GCF of 12.

Questions

Is GCF the same as GCD?

Yes. Greatest common factor and greatest common divisor name the same integer.