Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 329: | \[{13^{329}-1\over12}\] | 659 × 6581 × 183959 × 440203 × 2481977 × 5229043 × 19216136497<11> × 39657212462617<14> × 534280344481909234853671069326391741<36> × [137928145601878084688752348462907021995547613845680704761626491260209648376872681325299980613350980431206775395952231285969445687843467554706701923379681558942726085841304738800503984192072416985740667365019824319208762181763731012771873684184103348934917372834306198227502693<276>] |