n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 260: | \[260!!!+1\] | 33 × 181 × 17092372094921<14> × [1357712691974677805190690084550116911943546972157220684158471343238858664142682108033739658556415919757722121758993396876454461316997404149000167216187418863<157>] |