n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 391: | \[391!!!!!-1\] | 5 × 190807 × 15589433 × [6568087392274942297626475414926915735957699851016278046064163582610779634018720557100839888041266442313199038228163522628070556535918363090336991095004721581<157>] |