Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 48: | \[{9^{48}-1\over8}\] | 24 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 × 76801 × 21523361 × 24127552321<11> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 48: | \[{9^{48}-1\over8}\] | 24 × 5 × 7 × 13 × 17 × 41 × 73 × 97 × 193 × 577 × 769 × 6481 × 76801 × 21523361 × 24127552321<11> |