n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 313: | \[313!!!!+1\] | 2 × 353 × [4813434137186993968681331492413014956135283695752219567347156907644933679040094195882875910402266563696977536607178534701860054822201006115671540923969603800571<160>] |