n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 334: | \[334!!!!!+1\] | 5 × 4637 × 39442166235308429297592425343921197204124790174026190946579464355526214300411273182046318935357054183223525812188971761154374929064306289<137> |