n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 244: | \[244!!!!-1\] | 1097 × 331519 × 60555410568766871<17> × 3625430158019632719878041<25> × 33801549401922362824000103767854533475473863110596955987401942303909063<71> |