Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 235: | \[{13^{235}-1\over12}\] | 30941 × 183959 × 15299441 × 19216136497<11> × 534280344481909234853671069326391741<36> × 557365810082082981171446238589413385311201989371671167740094059271407318218646565969312115233561016469500629842813245463477249503036403673241722603619990628833251134530548301875189448572634730725761<198> |