Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 505: | \[{6^{505}-1\over5}\] | 5 × 311 × 230281 × 1275678077 × 3615686881 × 19234935911<11> × 60826167319169009344520173531<29> × 112777060938328421494532151098038482270123798031561784011<57> × 614561277123903327309455926778985780630117744484485521069032496702063<69> × 374420724697872881808586805056678114970068705348387969985286519409032874231810187567437681<90> × 3691169543155464032510314343258717104405674217190051811870369413736486134872461213602982568499007683680192855661<112> |