n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[171!!!!-1\] | 2 × 512444579 × 1450285408746811817323887720961801983756795341875530239012395897660553<70> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[171!!!!-1\] | 2 × 512444579 × 1450285408746811817323887720961801983756795341875530239012395897660553<70> |