Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 326: | \[{3^{326}-1\over2}\] | 22 × 8483499631<10> × 5227348213873<13> × 8882811705390167<16> × 4956470591980320134353<22> × 3507171060957186767994912136200333814689659449<46> × 6351885141964057411259499526611848626072045955243<49> |