Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 287: | \[{12^{287}-1\over11}\] | 83 × 659 × 4943 × 1754535469 × 1977898057 × 154051237757089<15> × 97668924760419986491370101198871<32> × 34188744951474995552546200377567297175468079607127760973180948946977699040188797326984158345476427086574962860923622736584606402871968070059222306385649316088497031364118776740990969098325752021615748935183305827325072869015212916901961<236> |