Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 300: | \[{7^{300}-1\over6}\] | 24 × 3 × 54 × 11 × 13 × 19 × 31 × 43 × 61 × 101 × 151 × 181 × 191 × 281 × 2551 × 2801 × 4021 × 13001 × 25301 × 29251 × 159871 × 5666701 × 6568801 × 169293601 × 555915824341<12> × 6005492312551<13> × 31280679788951<14> × 79787519018560501<17> × 7021370289199888801<19> × 1149016121562093219301<22> × 38327966300231909291101<23> × 217648180992721729506406538251<30> × 36774454532477494745039267894401<32> |