Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 740: | \[{7^{740}-1\over6}\] | 24 × 53 × 11 × 149 × 191 × 223 × 281 × 1481 × 2801 × 2887 × 4021 × 6661 × 219041 × 325852711 × 4805345109492315767981401<25> × 15572244900182528777225808449<29> × 637267603891620815515472232790301<33> × 1803380635085187494461189037326621<34> × 150887508720035704200938572232075487938198160671<48> × 6891042949305882214394659726647344864958515967158596120016737<61> × 19614484903893800144195694873969090325357462130596323038004994681963459760702504282004516541831276174705279621<110> × 2494648990546057367700002344572296609552989256845812863831971406499828285058897222354630236762650379930760084999767034779486422679907668070423873232768686971156458810840493191003341001860766018362722472603181488994176403522151628254331038806401<244> |