Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 363: | \[{28^{363}-1\over27}\] | 3 × 199 × 271 × 727 × 11617 × 70423 × 6077039 × 50545507 × 2510904286447886473<19> × 334379886633189962093<21> × 6046830224300802402489629<25> × 425141076149786955572181811<27> × 370660969097934421878960944564508608719653458904805255649830292044503755466433903783847<87> × [3260111730291806489794224095084340499253914974697351426773616262967727801666040385966114968142952661885561048970481795148823155576219914194063367979424021478929470665808433517687474727348130999378127362232701232689976420675732622129607606267342350452513851837252198863816435529018346803952590391460908848560854798567<316>] |