Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[{12^{219}-1\over11}\] | 157 × 877 × 384229369 × 50654608967364071<17> × 13036824921402558973<20> × 10819801896323246322047439823759030271173906614865775084804891<62> × 52698746653819128502078221089169744404693974377787974683664661737110924442293559759607964997364777446183272252167160392991749<125> |