Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 99: | \[{23^{99}-1\over22}\] | 7 × 11 × 19 × 67 × 79 × 199 × 27919 × 300961 × 7792003 × 23130823 × 36953515171<11> × 3937230404603<13> × 37942113104611<14> × 2283575689288384418443117182923713557199767206133498287609028781<64> |