Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 219: | \[{22^{219}-1\over21}\] | 3 × 132 × 293 × 439 × 1967208910092953855807251<25> × 1585760683434492728054623403870583591611<40> × 10174923178868967884983015175295518086105255580386628197<56> × [22510670844404862663212199042676889096754389186731608933459193805385859137103800834786669838746028461416265782771752429622327485596679143555015292749638185026003905959<167>] |