n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
83: | \[83!-1\] | 167 × 19592941030043<14> × 569018285138785743945090436740972589<36> × 21191532334174184597406044028367407671120260247224770746511354397023434711<74> |