Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 480: | \[{23^{480}-1\over22}\] | 27 × 32 × 52 × 7 × 132 × 17 × 31 × 37 × 41 × 53 × 61 × 79 × 97 × 151 × 193 × 211 × 241 × 937 × 941 × 1801 × 3697 × 5081 × 7549 × 54401 × 57601 × 79561 × 139921 × 272341 × 292561 × 623009 × 2194369 × 5670961 × 7249841 × 12682129 × 83575993 × 229533481 × 336449041 × 541119751 × 3414132961 × 22143600481<11> × 74912328481<11> × 76384053703681<14> × 147190628299441<15> × 229381734152257<15> × 483563163219889<15> × 1206964869343609001<19> × 15887591750468908417<20> × 48208012663723213321<20> × 146239626404410677041<21> × 770283379671906761761<21> × 143856739091202297428641<24> × 611431385019046555697761<24> × 81769833316936487882480161<26> × 1566584834741534202603544019041<31> × 1174157576758064711133567927542424489257843862740625086853780539456254241<73> × 1277053501516906134779530043854868878883690343602512904803921072348270122797001465265977145474023085395217509838915664050643667044384329391248801<145> |