n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 289: | \[289!!!!-1\] | 24 × 307 × 38847707977931<14> × 338146559997391323503625142453887858738501417082628466572726333<63> × 68161286824198592754835530656612208479496129241341766879237119477599<68> |