tables > factorial > f4-1

n!!!! - 1

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 647: \[647!!!!-1\] 22 × 4249873 × [5651529977559953274062558849531215076463789767073320140805555655724402588151448483114990855044110665055461872856074547456645955674334207487045289936258633052123510329406360361665517155922212298311448842133584029418901064336228481823948670577185465665272069808641507002087236961954773528916443364397346243157736257407553317723452752937110688962851142903819764300303798037866049797<379>]

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