Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
589: | \[2^{589}-1\] | 524287 × 18083479 × 36064471 × 2147483647 × 2023706519999643990585239115064336980154410119<46> × 1363513392978191135736018344773125784835722102211913963639355051056896705852735103386975412732016027769<103> |