Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 665: | \[{7^{665}-1\over6}\] | 29 × 419 × 2801 × 4733 × 36671 × 401563177 × 1110528721 × 1469378681 × 1966385431 × 2127431041 × 2662276961 × 77192844961<11> × 136215024961<12> × 4534166740403<13> × 373740808373213<15> × 897558513407803666357<21> × 10839317260425261886741<23> × 44565794432124976145013684073215440137<38> × 83588499889013461558350575326824370345112529401<47> × [58530635005977421772494268134624819649806321378834018561065082545843155133497068563438602764871516250870712366518483357740499169664095053880836310388727369340836354022201285237651823102080930317253317353394206758792641315607174350250030681354308517485194823637462701876874272167321364779010063779880563672668556501<314>] |