Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 190: | \[{12^{190}-1\over11}\] | 13 × 191 × 3307 × 8209 × 19141 × 22621 × 905265296671<12> × 251831088886489381<18> × 29043636306420266077<20> × 2161228734480307261241719647908242265186505403521538076853961<61> × 2411179444704156047429462350631072712288681299074776570877408773293550795851<76> |