n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 258: | \[258!!!!!+1\] | 151 × 1394436843132861096287<22> × 117316515735784306619698651078303537131757463378334003789397359458102992917073721<81> |