Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 293: | \[{9^{293}-1\over8}\] | 587 × 1759 × 3517 × 103483820887<12> × 64911612051881874971<20> × 2078027659694323316196007798843459853366512641843942412939027<61> × 11762662987155419062634271699950787577629209862246689549991523<62> × 821366793694609363786586651424442764586582465726578000607890252986750548525784235602653759898115835317059892460938193<117> |