n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
327: | \[327!!!!+1\] | 2 × 176762191 × 574769784982849<15> × 3042629050789956713803<22> × 4870239248545131841309645653838288495664413009994448308472295121747092317783231433458005946295698128516790127701256449215613119<127> |