n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 441: | \[441!!!!+1\] | 2 × 50961403 × 9159417643<10> × 12015828992471<14> × 8536233813600423673295762383858522343008288396822814443017396920696890679788712750173926458190330547558579987249892754368532673615090664544109833222899590493708590324787997177390950377310644787099264840501443320757<214> |