Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 667: | \[{14^{667}-1\over13}\] | 47 × 461 × 2347 × 10627 × 13109 × 22679 × 224113 × 532267 × 2249861 × 14525237 × 25581350023<11> × 4551565448069<13> × 396530555859061913<18> × [780376191663189039700662671512630276167930492873449832649126831270906818209508549031579067507942964930910618102649755680157233807235949056052510774079223321725285332506261282314561909980210935418206251463204728678178881272920534920537813229332699641475150074548040526070070460473554499465665166939487698431898900403333946845103134159818526013424733543672243157834718675899403413307158650660850318251537592042931120099783429288227614137691073763681728815482613066116046458516046850212435259877915364287083917336599851727101174631901197778560009603188027445281559116398780436451369238671611577973081660839670295028269057940896208914383188121710113378395121817599163432256035628211<678>] |