Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[{23^{58}-1\over22}\] | 23 × 3 × 59 × 233 × 1741 × 85087 × 11410109 × 1075983677123<13> × 356760584484267703279<21> × 2028795664420021044654173<25> |