Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 870: | \[{7^{870}-1\over6}\] | 23 × 3 × 11 × 19 × 31 × 43 × 59 × 191 × 2801 × 76561 × 84391 × 159871 × 4899841 × 6568801 × 127540261 × 195458551 × 227327521 × 2576743207 × 5406066031<10> × 27841766971<11> × 71316922984999<14> × 59796922604452021<17> × 87163539657316351<17> × 196915704073465747<18> × 1284564941030772067<19> × 34720058992462423813<20> × 358475907408445923469<21> × 402488219476647465854701<24> × 430783787382438799452691<24> × 144975423216697187157750841<27> × 277463632645667965008782910911<30> × 276643923707698106990518186402292641<36> × 3018134674629431661103715628858892719721420190476720595671<58> × 28227438998743999270303330624662217730888039289619786090751<59> × 158220763197207248117374181350877594713749989293007018387212171<63> × 225058061203225404048432655287882105672359391493182864666093306256896642098735173627681<87> × 2712234419868180422858102981809210215317817114603947419959866326792477218444960811869593227574531651526578689351<112> |