Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 278: | \[{17^{278}-1\over16}\] | 2 × 32 × 557 × 7229 × 263267 × 374935543 × 9856698223<10> × 465712217917603<15> × 9665924510383104304333761973<28> × 7062233146977317532978372830933714969<37> × 13866930385722027467414579558807412881242830677<47> × 6412782634214763087124237312578028219113848559432525150526892341204418252410168886280142199<91> × 363965150189128382558588440758428723796386766954039892396537253733898583545573075022742522373<93> |