Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 490: | \[{30^{490}-1\over29}\] | 11 × 31 × 71 × 113 × 491 × 631 × 883 × 7351 × 34301 × 44171 × 71261 × 93997 × 167021 × 837931 × 1118041 × 1618891 × 1929481 × 1984109 × 7373227 × 1825230961 × 73276901251<11> × 13779424848911<14> × 1876095620543621<16> × 71761730340566743<17> × 768483007886911561239570478002112053923<39> × 16806388163426830880128170113812981259408407618730161<53> × 39713931103553892259952468083062290241149142262009228685053099243502825273043165428179792070736556659707626623761796965589610725912821792729499115296288496477643716977299013186440669636433147661848147483510452470215477008129738919099082082261<242> × 4178919558908598554319861622951218209949719984710722098734370279515764852799508045316290335054508068139915580085031714710576746967474870804440004041233267712134583164578548659168739674378169855303761429558931225640651876038599457741756799455701<244> |