Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 299: | \[{7^{299}-1\over6}\] | 47 × 3083 × 1045903 × 5240570609<10> × 16148168401<11> × 31479823396757<14> × 64432450872271<14> × 124017815182557414772494313985201<33> × 121219249940833404770079915022116301<36> × 2060181432480702325629313427730099160573042198860249916720891929027774498119510626775963185967360438023554017392240125869222053<127> |