Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 148: | \[{12^{148}-1\over11}\] | 5 × 13 × 29 × 149 × 48989 × 417509 × 3933841 × 5250079 × 21617621 × 4150805645839<13> × 30023720899326796981<20> × 13721476576343266613693<23> × 196560666553286126588980353347341<33> × 551930982323870847324371378921584061<36> |