n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 537: | \[537!!!!+1\] | 2 × 3529 × 5289587 × 561822731 × 2383678783457<13> × 71046679248885369988987705661417306144394069599256996439929132142370920553314487516267246841339696358299980670186196313812507929739278914120648883364600256494757668357762108815237669801625895570449600966943641396014275744604111480514479636594141244143123850314774705027352606843<278> |