Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 417: | \[{17^{417}-1\over16}\] | 307 × 2503 × 7229 × 5464369 × 374935543 × 14483451909529<14> × 632554669863679<15> × 57846933902894407<17> × 9665924510383104304333761973<28> × 7062233146977317532978372830933714969<37> × 363965150189128382558588440758428723796386766954039892396537253733898583545573075022742522373<93> × [521687470822466209656598865561690735602917449454030093244203028761957994890464007799421735166211040429839840822597381950044935021831326053860273457265452137777044924687148656562150561977080457644787435995721516098182218763961114397951383232530080755676028437611215454303166608900336151<285>] |