n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
231: | \[231!!!+1\] | 5381 × 6871327 × 18064481 × 76694113 × 15515348270256869681298032433468625681775509799239544725911306377601904024355089661171442646909286884209441192478739372695891<125> |