Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 404: | \[{6^{404}-1\over5}\] | 7 × 37 × 607 × 82013 × 3866281 × 1275678077 × 53902351586977<14> × 19472139427564696216240566673<29> × 2909467055506170519577044616632832452708657352232253233553601781<64> × 614561277123903327309455926778985780630117744484485521069032496702063<69> × 395666672236734606509610128318397748439846570760380264055116038461957014358460611709311172913627482394120857720381<114> |