Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 394: | \[{8^{394}-1\over7}\] | 32 × 7487 × 407791 × 50070703 × 197002597249<12> × 304292056417<12> × 1348959352853811313<19> × 8588408897489780521<19> × 2054021544734875175323<22> × 251951573867253012259144010843<30> × 171742076613580668857212300403179<33> × 4439178610498750562265662801306566979739967003<46> × 26828803997912886929710867041891989490486893845712448833<56> × 927701611035392243771813127127397103891685719848882103485113848962936182860818392833900833911<93> |