Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 255: | \[{17^{255}-1\over16}\] | 103 × 307 × 409 × 5441 × 10949 × 88741 × 208931 × 1749233 × 22296011 × 24543581 × 2699538733 × 6566760001<10> × 4939937011021<13> × 162260934541944127<18> × 277873928058055711<18> × 326099734864828369<18> × 7517339434046845421<19> × 228438898023070765592141<24> × 396128704358388283766635625440977683971<39> × 41355073397274446978224115515358989340251<41> × 7336505601839745091367256216317202594609436823953662215858671<61> |