n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 499: | \[499!!!!+1\] | 22 × 72074567 × 13444340953<11> × 9090528506291<13> × [2357584610371476934057127478405158921493084364072604509092519987457081989510189976747257352491198712971173166643203044781197907824245725721600443638503685839624742152322880041502235167273390418086889653676500375714876083972940404575648181923268325547459<253>] |