n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 282: | \[282!!!!!-1\] | 14025922853695242385255678755872028682760864195807833<53> × 797388327635807485922205606441074297427845258561826918442689047<63> |