Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 578: | \[{7^{578}-1\over6}\] | 23 × 14009 × 185539 × 1828793 × 2767631689 × 29078814248401<14> × 265229252768157343110127<24> × 92511297531161087879268599<26> × 801172436655296029591646500403317187<36> × 26773640876541335875821092444484138995809<41> × 10566952063659962543089422225791274843961177<44> × 1529205111578924485821241528782866471990876173590975167615356399625572847072327304437370452064141035710519504350294060693018355954379<133> × 1875291995490040404401675309538171406234747910994681038992246946582711346382033182283489088526228267654812999694017241406214239550856303256606071779<148> |