Editing Factor (section)

== Science and technology ==
=== Biology ===
* [[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 technology ===
* [[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 technology===
* Factor, in the [[design of experiments]], a phenomenon presumed to affect an experiment
* [[Human factors and ergonomics|Human factor]]s, a profession that focuses on how people interact with products, tools, or procedures
* [[Sun protection factor]], a unit describing reduction in transmitted ultraviolet light