Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 234: | \[{8^{234}-1\over7}\] | 34 × 19 × 73 × 79 × 937 × 2731 × 6553 × 8191 × 86113 × 87211 × 121369 × 262657 × 446473 × 22366891 × 29121769 × 7830118297<10> × 571890896913727<15> × 93715008807883087<17> × 150832426800173710177<21> × 5302306226370307681801<22> × 4247713303224552237738169<25> × 24841125429051585062538961751269988364169<41> |