n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 345: | \[345!!!!!-1\] | 139 × 1667 × 71069 × 945311459 × 4815543166579<13> × 1630964731602918004114188838014654398882426403869723<52> × 2371056580539769902589647969891714800865776032801934640462232889<64> |