Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{12^{380}-1\over11}\] | 52 × 13 × 29 × 191 × 3307 × 8209 × 19141 × 22621 × 1977673 × 85403261 × 649612661 × 51845827441<11> × 905265296671<12> × 176477034940417<15> × 251831088886489381<18> × 2016864235215616489<19> × 29043636306420266077<20> × 2084161597163899364720952131893201<34> × 2161228734480307261241719647908242265186505403521538076853961<61> × 2411179444704156047429462350631072712288681299074776570877408773293550795851<76> × 3620806038378804115080532107038644391860880006804903787948702034893599893717868317393731597506692953581<103> |