Greatest Common Factor (GCF)
Initial Definition

The greatest common factor (gcf) is the largest natural number that exactly divides two or more given natural numbers.


Example 1: 6 is the greatest common factor of 12 and 18.


Example 2: 2 is a common factor of 12 and 18, but it is NOT the GREATEST common factor.


Example 3: 4 is NOT a COMMON factor of 12 and 18. It is therefore not the GREATEST common factor.


Example 4: 8 is NOT a factor of 12 or 18. It is therefore not the greatest common factor.


Demonstration
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Instructions text as in global.js

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