n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 475: | \[475!!!!+1\] | 24 × 1033 × 4297 × 9090961704779<13> × 7191412847847516508499<22> × [1309270619097254406176731742486244075136888145847593331039506685883141032232479110916716358562279975126096157333744122412557652187183944275618054195725265150063303993548189905295066236726587765566410801694663047898119567176891<226>] |