Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[{9^{171}-1\over8}\] | 7 × 13 × 192 × 37 × 229 × 757 × 1597 × 2851 × 3079 × 25309 × 53923 × 101917 × 119701 × 248749 × 363889 × 1162320517 × 1824179209 × 42509373931<11> × 102310358933917<15> × 1676620643529235921057<22> × 27203787889921135221329070240968055313746007669<47> |