n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 173: | \[173!!!!-1\] | 23 × 263 × 6299347506249102170165373470928501093130885040174900348371187012261563841381<76> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 173: | \[173!!!!-1\] | 23 × 263 × 6299347506249102170165373470928501093130885040174900348371187012261563841381<76> |