n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 298: | \[298!!!!-1\] | 563 × [4090470755002517424867336880932672783463849160697342553041027599536167445668280082860035629419085608345956538357079866814086393869677584369449378330373<151>] |