n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 391: | \[391!!!!!+1\] | 104953 × 15721694971<11> × 21914293210636112161<20> × 9508779245275157950512759856019981731<37> × [284110375445229855002027096348634106336666346319531402871242542388413572927033446271606048450298329<99>] |