Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 486: | \[{15^{486}-1\over14}\] | 24 × 19 × 109 × 163 × 211 × 241 × 487 × 541 × 739 × 811 × 21061 × 355591 × 16354441 × 43448239 × 829049498029<12> × 1144576909923823<16> × 1477891879996957031251<22> × 208932042446035357010968815803606094182529433089499<51> × 19803428495911816157659521610469429585428513632230232098351227<62> × 60340655725305667518172181830109608548996195187196416366369267214952181014474200428352493796561208895097317882097312261322471829725041857184663318528296426840092621922088201<173> × 33634421859876781006295883872663667630076078461837774909048726258238607038166302920930144243747817138363045738951275303134142405168590128230853816869785899434930342977168038487434387207031251<191> |