Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
109: | \[{26^{109}-1\over25}\] | 278387 × 11932013 × 160747937699<12> × 23048514562805272277677439984392303101475120349941<50> × 55463069407100164723078107716746477064328923136052019748096672948857464257691871<80> |