n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 295: | \[295!!!!!-1\] | 3911 × 324517 × 5125331789<10> × 204384483408515675055711630308238007<36> × 18095003855495573057004715162145595873157307652967486781381971279199<68> |