Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 83: | \[{8^{83}-1\over7}\] | 167 × 1621324657 × 57912614113275649087721<23> × 8241594690167137359552274418432855740327<40> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 83: | \[{8^{83}-1\over7}\] | 167 × 1621324657 × 57912614113275649087721<23> × 8241594690167137359552274418432855740327<40> |