Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 222: | \[{12^{222}-1\over11}\] | 7 × 13 × 19 × 157 × 223 × 2221 × 16651 × 3933841 × 5250079 × 17276929 × 4150805645839<13> × 30023720899326796981<20> × 141999918016191978214803181<27> × 196560666553286126588980353347341<33> × 26885132550348176163707163735385393<35> × 460800089869190921983707017028122544209524176520602249782381908735149795083701<78> |