Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 115: | \[{12^{115}-1\over11}\] | 47 × 2531 × 22621 × 39891250417<11> × 321218438243<12> × 33641139003216517508161244299868999433148873412300459726372231642118974160452666995106572871<92> |