n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 335: | \[335!!!!+1\] | 2 × 11719 × 1851991 × [7691764595899735151405895835149561115389983586852579427086915209940290390234884088577874907314546049353534171086078253032681696592291250647658609348128539209573972597<166>] |