Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 125: | \[{17^{125}-1\over16}\] | 251 × 2551 × 4751 × 5351 × 88741 × 26278001 × 11330289301<11> × 44391312751<11> × 175255701251<12> × 6881647239315382084880079821251<31> × 17368840870528347328820256489304404075481243249603982474330635751<65> |