Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 199: | \[{9^{199}-1\over8}\] | 2389 × 5484043 × 1360648969 × 293366430131930353811221418233<30> × 110902970953020998760372036298330712066931713186888935429<57> × 1689478606352600260310382688294322005349159187601803816212045717030717783562666965221<85> |