n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 387: | \[387!!!!-1\] | 2 × 5970901 × 351372452455529<15> × 73591387065439723<17> × 51076844460510379952369<23> × [39781101992658310093070985286553700098654947533721311132820350404720645761094453852558798301875325165758957062760755945801027095619950293941219321519<149>] |