Factor

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

Commerce

Factor (agent), a person who acts for, 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
Factor, a ready-made meal company previously known as
Factor75
, owned by Hello Fresh

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

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

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

Factor (arithmetic)
, either of two numbers involved in a 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 sub graph
Any finite contiguous sub-sequence of a word in combinatorics or of a word in group theory.

In factor analysis, the factors are unobserved underlying hidden variables that explain variability in a set of correlated variables.

Factor Chandelier, 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