Stories We Like: A Guide to the Comma
factor fac·tor (fāk'tər)
One that contributes in the cause of an action.
A mathematical component that by multiplication makes up a number or expression.
A substance, such as a vitamin, that functions in a specific biochemical reaction or bodily process, such as blood coagulation.
Verb To find the factors of a number or expression. For example, the number 12 can be factored into 2 and 6, or 3 and 4, or 1 and 12.