Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 231: | \[{13^{231}-1\over12}\] | 3 × 23 × 43 × 61 × 337 × 419 × 547 × 859 × 18041 × 2714377 × 5229043 × 2024215569832303<16> × 624958606550654822293<21> × 17551032119981679046729<23> × 125933708724713509113257926009<30> × 10138828706452319901511087969019211193701892213<47> × 200155671498423277712779724441211841674711498726798843891155508746305911215263886476842583<90> |