The Factory was Andy Warhol's studio in Manhattan, New York City, which had four locations between 1963 and 1987. The Factory became famed for its parties in the 1960s. It was the hip hangout spot for artists, musicians, celebrities, and Warhol's superstars. The original Factory was often referred to as the Silver Factory. In the studio, Warhol's workers would make silkscreens and lithographs under his direction. History. Speaking in 2002, musician John Cale said, "It wasn't called the Factory for nothing. It was where the assembly line for the silkscreens happened.
https://en.wikipedia.org/wiki/The_Factory