A doer, maker; a person who does things for another person or organization.

“The factor of the trading post bought the furs.”

An agent or representative.

A commission agent.

To find all the factors of (a number or other mathematical object) (the objects that divide it evenly).

(of a number or other mathematical object) To be a product of other objects.

(commercial) To sell a debt or debts to an agent (the factor) to collect.