n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 265: | \[265!!!!-1\] | 22 × 554137470810361<15> × 279317584076398671757994717<27> × 15088532681142054306334655144147345790965522070852396172477878650181454535081197042321098463<92> |