n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 291: | \[291!!!+1\] | 107 × 9199 × 2358127 × 2318763747323938279532936373127107787<37> × 341158348217697886292928834470748917328804179351976635526368329802615094104289263460282137111800255732012486972979247933452576075543321005534674133193<150> |