Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 122: | \[{12^{122}-1\over11}\] | 13 × 111997 × 1706293 × 1000831393 × 7361466337<10> × 5188602220069<13> × 12158823644892290381600372389012829461<38> × 35995548461449237368649937465097120608531155491049<50> |