Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 357: | \[{13^{357}-1\over12}\] | 3 × 43 × 61 × 103 × 337 × 443 × 547 × 10711 × 91393 × 763879 × 2714377 × 5229043 × 13883731 × 2890556264821<13> × 15798461357509<14> × 535301324317729848039542278039<30> × 1251321793446942324872434004484031<34> × 4612374082571233571173485783879425298299100059023528948849979973541<67> × 2883790063310062562237348002443781967574917299027453640912498020875712658466196085377955993697967107389599293520159605651856402885360200575623748196267827762454953851248249197489940855764727787<193> |