n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 398: | \[398!!!!!-1\] | 52 × 2801 × 106885176782463649<18> × 98129276366828425580698827832611534238542510047562866150369481932701<68> × 936528391131553116068707850521325002891669707546571063762076510676577939734050050387<84> |