Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 855: | \[{7^{855}-1\over6}\] | 32 × 192 × 31 × 37 × 419 × 1063 × 2801 × 19609 × 36671 × 159871 × 523261 × 4196341 × 18684829 × 23979331 × 879399649 × 1527007411 × 1966385431 × 125096112091<12> × 4534166740403<13> × 9674698906207<13> × 6957533874046531<16> × 93586760776923620671<20> × 80183934664292567561851<23> × 175336938770236118176950803989<30> × 586570628867364296441543447106691327380847<42> × 83588499889013461558350575326824370345112529401<47> × 14647063040739096932514535006129272666792334298320134861724147176214623121<74> × [1204795826878381400613290195737730959371267870507737828125735762123638147275979579911658982493131570698622008421261086035891677124342178278538020501260019812862137917117344774900465457897392947329735305767769752466018679751255679083245470576843897821137948027050877857063633370743143568713940682658675328367602207694661823213840161092722035304162889631<352>] |