Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 84: | \[{13^{84}-1\over12}\] | 22 × 3 × 5 × 72 × 17 × 29 × 43 × 61 × 157 × 337 × 463 × 547 × 673 × 2857 × 4621 × 22079 × 28393 × 2714377 × 5229043 × 54165939703<11> × 23161037562937<14> × 61452748127532301<17> |