Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 375: | \[{3^{375}-1\over2}\] | 112 × 13 × 251 × 601 × 4561 × 8951 × 9601 × 391151 × 358291751 × 14781691751<11> × 391632555001<12> × 2098303812601<13> × 989947158849251<15> × 8788416011598893375808561717543001280896024501<46> × 30223192498512325206613383396600474864850656739501<50> |