n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 290: | \[290!!!!-1\] | 821 × 4507 × 56238863314535277565903481<26> × 35808536665946386545558275171<29> × 3527477637448569953603291841503542986616221535085876449061501146511404508396332334994667<88> |