Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 869: | \[2^{869}-1\] | 23 × 89 × 2687 × 202029703 × 361592639 × 1113491139767<13> × 239506881856626095535121<24> × 36731710627728342866552138021938777226402784059107000502441998452078171980290184568488533379870560708887929721624739276585607332494596314146828057017496779052812081040459672546329591405967012062807529521<203> |