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**Factor**, a Latin word meaning "who/which acts", may refer to:

## Contents

## CommerceEdit

- Factor (agent), a person who acts for another, notably a mercantile and colonial agent
- Factor (Scotland), a person or firm managing a Scottish estate
- Factors of production, such a factor is a resource used in the production of goods and services

## Science and technologyEdit

### BiologyEdit

- Coagulation factors, substances essential for blood coagulation
- Environmental factor, any abiotic or biotic factor that affects life
- Enzyme, proteins that catalyze chemical reactions
- Factor B, and factor D, peptides involved in the alternate pathway of immune system complement activation
- Transcription factor, a protein that binds to specific DNA sequences

### Computer science and information technologyEdit

- Factor (programming language), a concatenative stack-oriented programming language
- Factor (Unix), a utility for factoring an integer into its prime factors
- Factor, a substring, a subsequence of consecutive symbols in a string
- Authentication factor, a piece of information used to verify a person's identity for security purposes
- Decomposition (computer science), also known as factoring, the organization of computer code
- Enumerated type: a data type consisting of a set of named values, called factor in the R programming language

### Other uses in science and technologyEdit

- Factor, in the design of experiments, a phenomenon presumed to affect an experiment
- Human factors, a profession that focuses on how people interact with products, tools, or procedures
- Sun protection factor, a unit describing reduction in transmitted ultraviolet light

## MathematicsEdit

### General mathematicsEdit

- A term in multiplication
- Divisor, an integer which evenly divides a number without leaving a remainder
- 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 multiplicative factor in an expression, usually a number
- The act of forming a factor group or quotient ring in abstract algebra
- A von Neumann algebra, with a trivial center
- Factor (graph theory), a spanning subgraph
- Any finite contiguous subsequence of a word in group theory

### StatisticsEdit

- An independent variable, either categorical or continuous, controlled by the experimenter.
- "Factor" is sometimes used synonymously with categorical variable, regardless whether it is controlled.

- Factor analysis, the study of how
*factors*or certain variables affect other variables - The factorization theorem, a characterization of a class of statistics called sufficient statistics.

## PeopleEdit

- Factor (producer), Canadian hip hop artist
- John Factor (1892–1984), British-American Prohibition-era gangster
- Max Factor Sr. (1872–1938), Polish-American businessman and cosmetician
- Max Factor Jr. (1904–1996), son of the above, born Francis Factor

## Other usesEdit

- Factor (chord), a member or component of a chord
- FACTOR, the Foundation to Assist Canadian Talent on Records

## See alsoEdit

This disambiguation page lists articles associated with the title Factor. If an internal link led you here, you may wish to change the link to point directly to the intended article. |