Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 391: | \[{6^{391}-1\over5}\] | 47 × 139 × 239 × 409 × 1123 × 3221 × 30839 × 7505944891<10> × 409629556445298210157795302494476687617240542842898234310908958975300252583135110588499332368488448518682064253668907063469<123> × 16506979189828140558896264900388421466654847459278647949814687198371763689570300905366639586255176995744892908868970167134554282305221260962386451580999<152> |