Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 615: | \[{14^{615}-1\over13}\] | 11 × 31 × 211 × 1231 × 2851 × 3761 × 6151 × 15511 × 31241604679<11> × 7962162832681<13> × 11613251512901<14> × 201720751646093059<18> × 401070357079015501<18> × 26418284803758421026091<23> × 486588497570137617812191<24> × 7538867501749984216983927242653776257689563451<46> × 1174321015077687943810266819183163008436285913944354367870041<61> × 1558883630679421268120418962867274958919305400572509032958654553398821<70> × 100063629423753816735868778200559577342504403191515187440922285667190119940171049253826021025598501<99> × [151244265632019327173934175245159733316002888584323267974136327705812098993925909957339539418371308333021833407494768334506659421040863378556756083509215265938048016351785152952892805910321598103452126028953441946273297280393052346923914909130582678409667199516760142395190188276999394080491<291>] |