Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 508: | \[{23^{508}-1\over22}\] | 24 × 3 × 5 × 53 × 509 × 3557 × 5843 × 7621 × 98317389091<11> × 144856989941<12> × 123971678128031<15> × 913712985532021<15> × 2494614812767001<16> × 23225728152905250278281<23> × 74104641093571717285333<23> × 231341492176352686686007<24> × 2097003474416062628850098237<28> × 679455169189242703049098270848161951396950782543663821053844511395947<69> × 435339515061310702749395052218328583580648733225723533337320192796281251<72> × 361473446542692828044673587543270039024739097001936443748555179516081571230451497844177088557450070328456976662904971<117> × [7062250475512122669791571462165998726178125568797591795070793805837733749753222961898376874609528060450092052618500726080307775196261053848376418510681739258977444969845785408180103533656045226405008208487206197905754834322128445130985915639454301637457<253>] |