Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 143: | \[{12^{143}-1\over11}\] | 11 × 23 × 477517 × 20369233 × 266981089 × 1068975337 × 28151299084766629509889009<26> × 96715223228653637834905941377184481442578253854957266622804692882369624823117537634934976433917<95> |