Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 133: | \[{12^{133}-1\over11}\] | 659 × 4943 × 67033 × 365876351 × 29043636306420266077<20> × 153373238287849222871747653<27> × 86778760327503691593013894228582105055028770779566151156583792136083460735911<77> |