Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 69: | \[{23^{69}-1\over22}\] | 7 × 79 × 277 × 461 × 1289 × 1933 × 11593 × 831603031789<12> × 1920647391913<13> × 49696373692116337<17> × 2555778231696354754306517338366249<34> |