Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[{26^{58}-1\over25}\] | 33 × 59 × 93878453 × 2593018849727<13> × 16462346132365616921<20> × 73355903553709150436991421893506428181<38> |