n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 425: | \[425!!!!!-1\] | 499 × 1095045877 × 258411812628421<15> × [515712958341420517659407466558295291422100225178686485822873392458904146257720810896481802075121341914679175305077009441329023637331641947609025894144372754537053<162>] |