n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 195: | \[195!!!!+1\] | 22 × 16451 × 443912857249542458636314667<27> × 2031571508222707677538779467793945658086346940267121980843257<61> |