Meaning

• A trading establishment, especially set up by merchants working in a foreign country.

• The position or state of being a factor.

• A building or other place where manufacturing takes place.

• A device which produces or manufactures something.

• A factory farm.

  "chicken factory; pig factory"

• In a computer program or library, a function, method, etc. which creates an object.

• A police station.

Meaning

• (of a configuration, part, etc.) Having come from the factory in the state it is currently in; original, stock.

  "See how there's another layer of metal there? That's not factory."