n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 603: | \[603!!!!!+1\] | 237530651 × 1799078678723<13> × 3845448025033<13> × [182531355969134811095064156862614595970110558864554062517875940590800364463555559282275527774172419398754619673798900389367427543951474247505395524808552214140057760542594417033734559519431881869110879051509211752540439906930655749587370201054795627881<252>] |