Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 292: | \[{28^{292}-1\over27}\] | 5 × 29 × 157 × 293 × 439 × 877 × 1081277 × 361030699 × 1924218827 × 8239940117<10> × 1395719566812246425341583<25> × 8196570580777833295687571<25> × 33669332701243432328246627927<29> × 4096574600013882571943794643612275539257<40> × 39947800367337308029001945875601324131343598347098889<53> × 53954219746392095021273665412620663895518901407159308722989741<62> × 254635160971146181623936287730090353638889735612837987356076332791840542067329192352658708774653376387306428070600965119094457445994060467222177<144> |