Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 46: | \[{23^{46}-1\over22}\] | 23 × 3 × 47 × 139 × 461 × 1013 × 1289 × 1641281 × 52626071 × 1522029233 × 831603031789<12> × 1920647391913<13> |