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Greatest Common Factor

The Greatest Common Factor (GCF) is the largest number that is a common factor of two or more numbers.

How to find the greatest common factor:

  • Determine if there is a common factor of the numbers. A common factor is a number that will divide into both numbers evenly. Two is a common factor of 4 and 14.
  • Divide all of the numbers by this common factor.
  • Repeat this process with the resulting numbers until there are no more common factors.
  • Multiply all of the common factors together to find the Greatest Common Factor





Practice

Find the Greatest Common Factor

The greatest common factor of is   



You have correct and   incorrect.  This is percent correct.

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