Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 173: | \[{26^{173}-1\over25}\] | 1039 × 91177921 × 667621244243911<15> × 39031371279932172899038327834198568560750081627304955017689308051907560665744993912076003624932038384152021906646819340256777959278778132753680611375539983022409182223447064149223108997139778582327784327721387663453247<218> |