Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 87: | \[{23^{87}-1\over22}\] | 7 × 79 × 233 × 349 × 1741 × 10789 × 85087 × 9387997 × 11410109 × 184599907 × 1045137439 × 356760584484267703279<21> × 2533406685369752810514621031427854602769227721<46> |