Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 434: | \[{15^{434}-1\over14}\] | 24 × 7 × 311 × 1303 × 958459 × 1112777 × 1743463 × 10678711 × 24248449 × 82006037 × 12871001296201<14> × 29718545975959<14> × 14572134604887829<17> × 1344297430445933606399<22> × 18674505853625546867993<23> × 11357984388650024495137909<26> × 312433872891111237723753241664447<33> × 660603097954354915026956925328631<33> × 1433071287096432791033220271946389267<37> × 35469315522392621294648987330116774687<38> × 1235443380005876170832892696267923462242827145481837<52> × 632833425570124249264500362591964729521902024682265995063269241489348319022607<78> × 8109090194908184841533619640220774473925796485409713546338032123514677197187549503<82> |