Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 663: | \[{13^{663}-1\over12}\] | 3 × 53 × 61 × 79 × 103 × 443 × 1093 × 1327 × 4603 × 21841 × 22543 × 77351 × 264031 × 763879 × 1803647 × 17776357 × 107752087 × 710581301 × 3890188303 × 33431964619<11> × 15798461357509<14> × 57745124662681<14> × 1060348076829932774965069<25> × 535301324317729848039542278039<30> × 11104967814587952073158919714693<32> × 114461420190065352787053538269559<33> × 772029391886709642786384382234690485082047183735560110747262704871450490130127391654067619897<93> × 42138334940164665201410120987348753644674810539502965907187270282530828221296776352872924929727581<98> × 80104048517999686895933727501440823670877066729860910723119656327598830316946110955879025604590244351859128788166082881605782389710628141691239<143> × [297316718508876659792269799399504935637272023053965507195598323203847916906817522341264728098304153996306058729754817636664158316508453559339415026157919094854637393<165>] |