Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{9^{57}-1\over8}\] | 7 × 13 × 229 × 1597 × 2851 × 3079 × 53923 × 101917 × 248749 × 363889 × 1162320517 × 1824179209 |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{9^{57}-1\over8}\] | 7 × 13 × 229 × 1597 × 2851 × 3079 × 53923 × 101917 × 248749 × 363889 × 1162320517 × 1824179209 |