Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 141: | \[{12^{141}-1\over11}\] | 157 × 3504133 × 5136890928835357<16> × 10617249990997021<17> × 4509348865973648037702008076799297<34> × 98142371960826937423887573866630190692479249397249110266970173233791660304869<77> |