Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 511: | \[{6^{511}-1\over5}\] | 55987 × 44764549877<11> × 2436094907761<13> × 8439148071138817<16> × 138721648424756087<18> × [1208260202789852431386657113831555869913363993937596637426858735953545173541510647920426428323580342379143979782939191112477269208538646619168378183373108804602357029998163563791116027417399819326023471676888939507052417916902281070887424959133421024057147803879572319100861225652234881439153950182750474705276437440073274599576725316731<337>] |