n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 888: | \[888!!!!+1\] | 223 × 3457 × 90473 × 2723761 × 21438920895239<14> × 29505380185037<14> × 556793628143351<15> × 62479861834834277<17> × [12175931046695724946407399219451026942367373522704145522199299736574470983337461126656831218463210644325144294889905531091004179904106835312061056477291512815317143457264790266393371174550491126448017900603590289584016482099401702728479172586229885296770991693449783810145787858982220343734680222719129038784374010916521741466042280736609719267213198556421931714266323510484138897484689187872995843963989412173465185343636060063071768760299630361233883983062389539410900183983890975127<485>] |