n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 378: | \[378!!!!-1\] | 191 × 665783 × 671903 × 237480167 × 21020460013415115289<20> × [2197091814292710564689983358559679100359773531289777483758660954207085551642417667068639046401086197055575356251681075615487400607510414604062365826640267524068247<163>] |