Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 113: | \[{12^{113}-1\over11}\] | 227 × 7450459827983<13> × 316093109705519<15> × 753692779085581623227<21> × 19992624083894437511830336494340416078644415773480260275067477565243917<71> |