Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 412: | \[{3^{412}-1\over2}\] | 23 × 5 × 619 × 3661040653 × 1522395676033<13> × 7625998476893<13> × 3276710054092300162911791926389341<34> × 1535090713229126909942383374434289901<37> × 508998148480825018649601011436723422737<39> × 6957596529882152968992225251835887181478451547013<49> |