n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 326: | \[326!!!!!+1\] | 479 × 27356817015143890324019<23> × 4289814652405397132816754577674949692755366597715245863307150586852961078761031871631320846579628738371996466277<112> |