Math CalculatorsActive Calculation Engine
GCF Calculator
Find the Greatest Common Factor (GCF) of two or more numbers.
Greatest Common Factor Info
GCF(a, b)
The Greatest Common Factor (GCF) of two or more non-zero integers is the largest positive integer that divides each of the numbers without a remainder.
Example: The GCF of 8, 12, and 16 is 4, because 4 is the largest number dividing all three evenly.