Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 399: | \[{26^{399}-1\over25}\] | 192 × 37 × 337 × 1597 × 11971 × 33403 × 85121 × 90847 × 194713 × 321272407 × 2997305809 × 8165827867<10> × 551192154259<12> × 54509933224633<14> × 309630080649937447<18> × 916631343715906315531<21> × 917842427566819615573<21> × 2932298361823057188135902139988289657144048638509279193160576867990339550432553904746684469565794729865860601356073764819<121> × [192188063929221267421660126427285108729569082423240009932750229271828736987921721696711526241214698330931968007980641844068256210413507875851774827521383186055377271406030288587055662619749474601890964535202648148961061879366768387313461142956369687364123393537119418303559160177896996553110203037<297>] |