Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 85: | \[{7^{85}-1\over6}\] | 1531 × 2801 × 4931 × 14009 × 2767631689 × 138497973518827432485604572537024087153816681041<48> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 85: | \[{7^{85}-1\over6}\] | 1531 × 2801 × 4931 × 14009 × 2767631689 × 138497973518827432485604572537024087153816681041<48> |