Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 530: | \[{7^{530}-1\over6}\] | 23 × 11 × 107 × 191 × 1061 × 2801 × 8269 × 11131 × 33391 × 319591 × 3041671 × 19069931 × 345449549 × 35416476134069<14> × 4022224611747491<16> × 58902316970027001503<20> × 187978422699271372501<21> × 142949834073468649387631<24> × 38904276017035188056372051839841219<35> × 212135996587857465774994583472077008056991<42> × 105322961980986497356836647823085697438251004501<48> × 200008842971601691355202660284451604735179312548951<51> × 26026387361789965384243989827429482587206409750248632489022411<62> × 12391701928390891275141799262357905276001214846392534951253329194451<68> |