Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 111: | \[{12^{111}-1\over11}\] | 157 × 3933841 × 196560666553286126588980353347341<33> × 460800089869190921983707017028122544209524176520602249782381908735149795083701<78> |