n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
229: | \[229!!!!+1\] | 2 × 418027 × 466747 × 1647920757583<13> × 45136558486333403927<20> × 88148595417404878390342529808039513541695266840298875364628109060347<68> |