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Definition of factor

factor

/ˈfæk.tɚ/
fac · tor

Plural:factors
•
Adjective:factorial
•
Past Simple:factored
•
Past Participle:factored
•
Present Participle:factoring
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factor Lexical Profile

factor Game Scores & Validity

• noun

1

A circumstance, fact, or influence that contributes to a result or outcome.

Example

"Cost was the main factor in our decision to rent a smaller apartment."


2

A number or algebraic expression that divides another number or expression evenly without leaving a remainder.

Example

"Both three and four are factors of twelve."


3

A number or quantity that when multiplied with another produces a given number or expression, or expresses a level of increase or decrease.

Example

"Traffic accidents in the city decreased by a factor of three after the new transit system opened."


4

A substance in the body, such as a protein or gene, that participates in a specific biochemical or physiological process, especially blood coagulation.

Example

"Patients with hemophilia lack a vital clotting factor in their blood."


5

A business agent, merchant, or financial firm that buys and sells goods on commission, manages estates, or purchases accounts receivable at a discount.

Example

"The textile manufacturer sold its unpaid invoices to a commercial factor to improve immediate cash flow."

Synonyms
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Antonyms
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• verb

1

To include or take a particular fact or circumstance into account when making a calculation or decision (usually followed by 'in' or 'into').

Example

"Remember to factor the cost of insurance into your monthly budget."


2

To express a mathematical number or algebraic expression as a product of its divisors.

Example

"The teacher asked the students to factor the quadratic polynomial on the board."


3

To sell or manage a company's accounts receivable at a discount to a third-party financial institution in exchange for immediate cash.

Example

"Small businesses sometimes factor their invoices to cover urgent payroll expenses."

Synonyms
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Antonyms
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• Rhymes for factor

Word Origin & Etymology

Borrowed in the 15th century from Middle French facteur and directly from Latin factor ('maker, doer, performer'), an agent noun from facere ('to make, do'). It originally denoted a commercial agent acting on another's behalf before broadening in the 17th century to mathematical divisors and contributing causes.

Cite this Entry


Wordmom. (2026). Definition of Factor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/factor
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