Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 177: | \[{17^{177}-1\over16}\] | 307 × 1063 × 1889 × 347629 × 1365581260423071390161<22> × 178579111773795954847432777<27> × 90008517325328860435221505121015340220148461<44> × 818253156879992381889968055614898744632874946676841106966857109665786963410651915514472814085175326756513892573<111> |