n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 326: | \[326!!!!+1\] | 613 × 661 × 1528999 × [1116176448433349495419446237249469715345520579076021665536224301778619710282098816469797508950149566880748942298651475229152493046664595361390836357575668318943<160>] |