n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
411: | \[411!!!!!+1\] | 1777 × 37547 × 1977727 × 5481625838839852979<19> × 3578512698836387550891436698126777850042024909787275973048652394251574182576041354473955729309949753316792973962641960430468927638129392648854115071<148> |