Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 269: | \[{8^{269}-1\over7}\] | 2771239 × 13822297 × 502502761 × 68625988504811774259364670661552948915363901845035416371912463477873783063<74> × 92305417851236773758187001276904991441004832226292982967386157974676884358296302489037698908789673402780112396877168012932339190104672007306077769<146> |