Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 204: | \[{19^{204}-1\over18}\] | 23 × 3 × 5 × 73 × 132 × 103 × 127 × 1372 × 181 × 307 × 613 × 769 × 1021 × 1531 × 3044803 × 54474019 × 1786596913 × 99995282631947<14> × 3084256577008769<16> × 274019342889240109297<21> × 1433250916087597060721<22> × 74657245773488638417876963<26> × 32013012367457935641831017827<29> × 556265177885869965100900914004037989<36> × 12221491337096180276909343734711305293659569<44> |