Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 239: | \[{17^{239}-1\over16}\] | 1913 × 1030964741 × 6353093699<10> × 1048852362144483503234233222118283567305977<43> × 5682164766073745149524550468933618460475742555235038104499875986059357972790087212241350326330626736979318387445440388752535013195766852555368267296636951168030007044834616650476109634837195211275821826934713726723718582279270433<229> |