n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 426: | \[426!!!!+1\] | 911 × 3322091 × 534212568797<12> × 24891887899817738755583<23> × [437137195636587860416437766332387421826499314806914320233877554598678413606249027912838098482887113097679855739486600738836797138667835740070604498015197316625848013612940631009169721008823951<192>] |