n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 810: | \[810!!!!!+1\] | 163 × 2683 × 1374522181 × 55102074968221<14> × 760791997862473747<18> × 186655778319580775867<21> × [447200701183457078232150245643127678029973267262181492109921312522124016748191541074752342367770042896993776083203662911694718659197878337342634915753555516042770625344188206420715311874490694601054671919537349874681248025172997441195887940268469204637953179145756656822265641572157870789356645406282365199423404730978217528104632778881<336>] |