Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 73: | \[{26^{73}-1\over25}\] | 293 × 1574553353 × 1702508903362867574650394159517565246007266162666190360996199176258152060277127760388158387<91> |