n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 398: | \[398!!!!+1\] | 13757 × 236407 × 487471 × 4788653939<10> × 265649172805327<15> × [4190156181394984273518753696293432068966011039319874046716260794377032011534071886975592092492284997924334059796160112737918985915952034999387229752149335877383379926409419514273<178>] |