Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 506: | \[{13^{506}-1\over12}\] | 2 × 7 × 232 × 47 × 277 × 419 × 859 × 1013 × 1151 × 1381 × 2347 × 18041 × 128011456717<12> × 84801400975699<14> × 687697797999045703<18> × 2519545342349331183143<22> × 206243362068225837582427197534071063<36> × 158859009021271976913173176304133372419<39> × 33057495827197361601502533109785357568672954820096912119658940394953697796164523295495605454527166685604650027853933508999489731422539297007587217870558449294735476043249019297728012062365807<191> × [781809415565398102313634798172860152089309926587037936710410594023796894240815207383968873151713501315574786368059599373486190218591788618459097963873070872000137635506979416003522390962076654329158000327<204>] |