Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 217: | \[{23^{217}-1\over22}\] | 29 × 5336717 × 40888990028603<14> × 1817748739889319695512796411<28> × [123510911873594036024707078050371309410989154989350034523141907230973960486172340587423529777376662682860797487285409931026815141615532069828993751149864682103223875370714107531391384795875193282139005965621048378474160496549095826536729279675089<246>] |