Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 538: | \[{3^{538}-1\over2}\] | 22 × 10223 × 61333 × 262007 × 116075653 × 76305384036997<14> × 299470647963251<15> × 24957410917727872704602454775227215502551784969894669367<56> × 36196267628361725158694026739673690804473103993579563900517912153511<68> × 15597165786807676691920291625641910938974071907958316973148155921390236953578833891<83> |