When one of a and b is zero, the GCD is the absolute value of the nonzero integer: gcd (a, 0) = gcd (0, a) = |a|. This case is important as the terminating step of the Euclidean algorithm.

Aug 1, 2025 · The greatest common factor (GCF or GCD or HCF) of a set of whole numbers is the largest positive integer that divides evenly into all numbers with zero remainder.

Jul 23, 2025 · The GCD (Greatest Common Divisor), also known as the HCF (Highest Common Factor), is the largest positive integer that divides two or more numbers without leaving a remainder.

Free Online Greatest Common Divisor (GCD) calculator - Find the gcd of two or more numbers step-by-step

Use this page to calculate the gcd of a set of two or more numbers.