Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 122: | \[{13^{122}-1\over12}\] | 2 × 7 × 4027 × 4759 × 7687 × 27817 × 92110001 × 4672993939<10> × 6024266671<10> × 298681203493<12> × 1535617756259<13> × 48401662036451<14> × 87103671046409436847<20> × 2306860055683352406587860779838313<34> |