Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[{9^{58}-1\over8}\] | 2 × 5 × 59 × 523 × 6091 × 12413 × 28537 × 5385997 × 20381027 × 37945127666529000523013<23> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[{9^{58}-1\over8}\] | 2 × 5 × 59 × 523 × 6091 × 12413 × 28537 × 5385997 × 20381027 × 37945127666529000523013<23> |