Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 61: | \[{9^{61}-1\over8}\] | 367 × 603901 × 105293313660391861035901<24> × 86630432442539925437931403<26> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 61: | \[{9^{61}-1\over8}\] | 367 × 603901 × 105293313660391861035901<24> × 86630432442539925437931403<26> |