Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 370: | \[{28^{370}-1\over27}\] | 11 × 29 × 149 × 223 × 1481 × 15541 × 20129 × 53951 × 317831 × 584971 × 637421 × 1074851 × 3493541 × 808822961 × 22994168371<11> × 36129368689<11> × 1004690609843<13> × 274016766899057191453337081701<30> × 362872981217703889717460874623<30> × 4398170012250615936677990478125341<34> × 12034188740195053379860324023109474023287<41> × 1769867518793681297924222312087603004348203992816352612163393267534621721<73> × 524737022214681424195484171412263362998599618440419649343522770252038415852097559821590889710312229881152357521461<114> × 2673820633746108947937194676300969262248223056334232595334531138278637768964838499179817477957325439749283691336210885801<121> |