Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 309: | \[{6^{309}-1\over5}\] | 43 × 619 × 2473 × 5563 × 160681 × 12767653355301160780822191431160569156710177181791578590824899905497<68> × 748166872381333373843170174651535006056072543985387490045499940143390646619343227440757876886864742396408176148842121554497238322118990755239635092910352969<156> |