Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 139: | \[{26^{139}-1\over25}\] | 10009 × 788524269331<12> × 815142940907415128404457<24> × 298480410575603448095882970092079300802655707331374106337934097630071299283516947451810811452347164378939905920542646186321978192106451290712765706029413613<156> |