n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 529: | \[529!!!!-1\] | 23 × 180629 × 756673 × 6356263 × 71566854332573<14> × 11370381643211389<17> × [2194412224259174955223119170116981705616566229191913621791807578480813013542131355607412571858158966335455720557297085746077213284014697158395759128028699874289668182209877799472246098410145267762590152521536779287897616438035049918875123933168629037190769<256>] |