Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 63: | \[{8^{63}-1\over7}\] | 7 × 73 × 127 × 337 × 92737 × 262657 × 649657 × 1560007 × 207617485544258392970753527<27> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 63: | \[{8^{63}-1\over7}\] | 7 × 73 × 127 × 337 × 92737 × 262657 × 649657 × 1560007 × 207617485544258392970753527<27> |