# factor

^{1}fac·tor

*noun*\ˈfak-tər\

: something that helps produce or influence a result : one of the things that cause something to happen

mathematics : a number that evenly divides a larger number

: an amount by which another amount is multiplied or divided

## Full Definition of *FACTOR*

**:**one who acts or transacts business for another: as

*a*

**:**broker 1b

*b*

**:**one that lends money to producers and dealers (as on the security of accounts receivable)

*a*

*(1)*

**:**one that actively contributes to the production of a result

**:**ingredient <price wasn't a

*factor*in the decision>

*(2)*

**:**a substance that functions in or promotes the function of a particular physiological process or bodily system

*b*

**:**a good or service used in the process of production

**:**gene

*a*

**:**any of the numbers or symbols in mathematics that when multiplied together form a product;

*also*

**:**a number or symbol that divides another number or symbol

*b*

**:**a quantity by which a given quantity is multiplied or divided in order to indicate a difference in measurement <costs increased by a

*factor*of 10>

**fac·tor·ship**\-ˌship\

*noun*

## Examples of *FACTOR*

- There were several
*factors*contributing to their recent decline. - Poor planning was a major
*factor*in the company's failure. - 6, 4, 3, and 2 are
*factors*of 12.

## Origin of *FACTOR*

*facteur,*from Latin

*factor*doer, from

*facere*

## Related to *FACTOR*

- Synonyms
- assignee, attorney, commissary, delegate, deputy, envoy, agent, minister, procurator, proxy, rep, representative

- Antonyms
- whole

## Rhymes with *FACTOR*

^{2}factor

*verb*

: to consider or include (something) in making a judgment or calculation

: to not consider or include (something) in making a judgment or calculation

**fac·tored**

**fac·tor·ing**\-t(ə-)riŋ\

## Full Definition of *FACTOR*

**:**to work as a factor

**:**to resolve into factors

*a*

**:**to include or admit as a factor —used with

*in*or

*into*<

*factor*inflation into our calculations>

*b*

**:**to exclude as a factor —used with

*out*

**fac·tor·able**\-t(ə-)rə-bəl\

*adjective*

## First Known Use of *FACTOR*

## fac·tor

*noun*\ˈfak-tər\

*(Medical Dictionary)*

## Medical Definition of *FACTOR *

*a*

**:**something that actively contributes to the production of a result

*b*

**:**a substance that functions in or promotes the function of a particular physiological process or bodily system

**:**gene

**fac·to·ri·al**\fak-ˈtōr-ē-əl, -ˈtȯr-\

*adjective*

## factor

*noun*

*(Concise Encyclopedia)*

In multiplication, one of two or more numerical or algebraic components of a product. A whole number's factors are the whole numbers that divide evenly into it (e.g., 1, 2, 3, 4, 6, and 12 are factors of 12). To factor a counting number means to break it down into its prime number factors. To factor a polynomial is to find its prime polynomial factors, a basic procedure for solving algebraic equations. According to the fundamental theorem of arithmetic, the prime factorization of any number or polynomial is unique.

## Learn More About *FACTOR*

## Browse

**Ask The Editor** Videos

## Seen & Heard

What made you want to look up *factor*? Please tell us where you read or heard it (including the quote, if possible).