n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 473: | \[473!!!!+1\] | 2 × 12549371 × 731322545723698549<18> × [10261408426919389905739659704083504334966376064661255691733815595500077792942271619898714958470256776684406602231937581007087428823982618355572627318731162377313681977224364682218095182226411161778425422560387361606891189881341108946942467397<242>] |