Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 555: | \[{17^{555}-1\over16}\] | 149 × 223 × 307 × 17021 × 35521 × 88741 × 123581 × 779221 × 1336663 × 6566760001<10> × 520587936342391<15> × 142290808325605421<18> × 1016919604559540581<19> × 6218882581209875638403<22> × 35350798796787001062972004050498687807511809746935623542363221441570438155787<77> × 135430735969739848760846788881991039561896489439256464258255492665794854732439481327909879488616690225652241840468870134541071342289033578122115901<147> × 4775682916030374559660719044233203036686307201587536824574527678777537995723654620617485887700776344518477960657236070016239799379141136364502450966802601469452331629464795305447646708261667147406066530309073157972832968525329486752663074348922616990017863275067314671627549022703487517136358798691327583870111478957769785948029550533431111<340> |