Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{6^{67}-1\over5}\] | 904949028329910415467529<24> × 3023706637809542222940030043<28> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{6^{67}-1\over5}\] | 904949028329910415467529<24> × 3023706637809542222940030043<28> |