Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 112: | \[{13^{112}-1\over12}\] | 24 × 5 × 72 × 17 × 29 × 113 × 14281 × 22079 × 5229043 × 407865361 × 17254637799169<14> × 23161037562937<14> × 4803378460849459680406337<25> × 17075564227260177641438981577201118063969<41> |