Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 673: | \[{3^{673}-1\over2}\] | 1826415879755569<16> × 4989166368238892867<19> × 15964393398656515639633<23> × 162738636085359957907179241<27> × 518665099640854360708523609062187<33> × 51572317913872311911757951912300318150951529010852992713056410188808223669031456108513305895176548820252830351162027138955053026925605064977239035874635329961328112019198803049472615514448649022718837307737<206> |