n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 293: | \[293!!!!!+1\] | 11039909 × 387189703 × 290657977381<12> × 2539849258266911366555572851213959182126239141730830742102776400691119098545340985205291307599<94> |