Look up factor in Wiktionary, the free dictionary.

A factor, a Latin word meaning 'who/which acts' may refer to:

• Factor (agent), a person who acts for another, notably a mercantile and/or colonial agent
• Factor (Scotland), a person or firm managing a Scottish estate
• FACTOR, the Foundation to Assist Canadian Talent on Records
• Factors of production, a resource used in the production of goods and services
• An entity providing commercial finance services known as Factoring (finance)
• Max Factor, Sr., a Polish-American businessman and cosmetician
• Max Factor, Jr., son of the above, born Francis Factor
• Max Factor, a cosmetics company founded by Max Factor, Sr.
• John Factor, a Prohibition-era gangster

In science:

• An enzyme, proteins that catalyze chemical reactions
• Coagulation factors,
• factor B and factor D, peptides involved in the alternate pathway of immune system complement activation.

In mathematics:

• Divisor
• Factorization, the decomposition of an object into a product of other objects
• Integer factorization, the process of breaking down a composite number into smaller non-trivial divisors
• A coefficient
• A von Neumann algebra with a trivial center

In statistics

• factor analysis is the study of how factors or certain variables affect variables.

In technology:

• Human factors, a profession that focuses on how people interact with products, tools, or procedures
• "Functionality, Application domain, Conditions, Technology, Objects and Responsibility;", In object-oriented programming

In computer science and information technology:

• Authentication factor, a piece of information used to verify a person's identity for security purposes
• Factor (Unix), a Unix command for numbers factorization
• Factor (programming language), a concatenative stack-oriented programming language

In television:

• The O'Reilly Factor, an American talk show hosted by Bill O'Reilly on Fox News.
• The Krypton Factor, a British game show hosted by Gordon Burns, formerly on ITV. Also had an American version.

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