Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 561: | \[{13^{561}-1\over12}\] | 3 × 23 × 61 × 103 × 419 × 443 × 859 × 18041 × 763879 × 28123679 × 149098093 × 15798461357509<14> × 1069259562217573<16> × 17551032119981679046729<23> × 445536601753454704112226421<27> × 535301324317729848039542278039<30> × 1253772507557416227185554718637321919458554056492076984268166292125421627866654697595206614037538229843773930642076039582197050168560818397975619<145> × [1967351187445123520237899423089921914343343158337908931358280522772227402216694680720697224239000252583613801654468369577257649979820687733099364265032168007312560041119440202793854517397352034864049383788880033289108883124143956565166434713468528736289809286989044814313147422617096855794138592695439899692197288960121035721405999489<334>] |