1

factorial

play
adjective fac·to·ri·al \ fak-ˈtȯr-ē-əl \

Definition of factorial

:of, relating to, or being a factor or a factorial

First Known Use of factorial

1837


2

factorial

noun

Definition of factorial

1 :the product of all the positive integers from 1 to n symbol n!
2 :the quantity 0! arbitrarily defined as equal to 1

First Known Use of factorial

1869


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