n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 384: | \[384!!!!+1\] | 97 × 149 × 75461851 × 2202648996959491607<19> × 374758776833338299371<21> × 6914284616877129725128119131653277023600777042410592815546395063497556100185183778797675448085042868427250882324969179187121200986635007755526792340994949011<157> |