Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 252: | \[{13^{252}-1\over12}\] | 22 × 32 × 5 × 72 × 17 × 19 × 29 × 37 × 43 × 61 × 127 × 157 × 271 × 337 × 463 × 547 × 673 × 937 × 2857 × 4621 × 6301 × 15373 × 22079 × 28393 × 428041 × 825679 × 1471069 × 1609669 × 2714377 × 5229043 × 7327657 × 11032183 × 704972647 × 997294663 × 54165939703<11> × 2617880963923<13> × 23161037562937<14> × 61452748127532301<17> × 1626764139744163077191689<25> × 1149869468581335216529112593<28> × 9047201981466967540191994002775610843991652124869<49> |