Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 510: | \[{7^{510}-1\over6}\] | 23 × 3 × 11 × 19 × 31 × 43 × 103 × 191 × 1531 × 2801 × 4931 × 14009 × 159871 × 365773 × 580381 × 1135261 × 6568801 × 12192877 × 2316281689 × 2767631689 × 10879733611<11> × 13791727021<11> × 326568900271<12> × 604822302841<12> × 29078814248401<14> × 90920746649833<14> × 1590988506392861<16> × 77847328539923823402265321321<29> × 876140237882650743181330518048784908341<39> × 138497973518827432485604572537024087153816681041<48> × 1216143913136438623036975256479146518992862036526945244301912037837661<70> × 15096846837130239465648757385222262651370653348095151795880264132982652829169011<80> |