Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 385: | \[{31^{385}-1\over30}\] | 5 × 112 × 23 × 397 × 617 × 2311 × 2927 × 17351 × 319061 × 150332843 × 167767051 × 203633641 × 917087137 × 23503054499<11> × 16169321243923<14> × 260288089454132594471<21> × 9240957640390889951861<22> × 223612452179904871498801<24> × 236661696642275153056980146191674776616380367693641<51> × 263768160996144192120004532942855021486760529559458116494001319<63> × [64907774522304317945067771966715518127001924843236835382671955767894997428552230433335501540322877816190918728617961696024022743871078760483733671608314876954679939960292009867209292817274443259733577117398732411514246555452813347608519698045342165798103356402887240759675303353902395557628854684001398081046721<311>] |