GCD

GCD may refer to:

• Greatest common divisor, concept used in mathematics
  • Binary GCD algorithm, an algorithm which computes the greatest common divisor
  • Greatest common divisor of two polynomials $p(x)$ and $q(x)$ is the largest polynomial that divides both $p(x)$ and $q(x)$ evenly
• Gardner Carton & Douglas, a former US law firm
• General content descriptor, a file format to describe content to wireless devices
• Grand Central Dispatch, computing technology from Apple Inc.
• Grand Comics Database, a database of comic book information
• Grant County Regional Airport (FAA identifier), an airport near John Day, Oregon, USA
• Griffith College Dublin, a private college in Dublin, Ireland
• Communist Party of China ("Gong Chan Dang" in Mandarin Chinese), the ruling party of the People's Republic of China