Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
713: | \[{4^{713}-1\over3}\] | 47 × 1427 × 68449 × 178481 × 2796203 × 715827883 × 1993292747 × 2147483647 × 22816032820817<14> × 335203548019575991076297<24> × 1012570175762265527687179491024662141651<40> × 25302796036126213353739363322307560110912714814142460639<56> × 4120244281266653396296957792500987847361734649718254162380360903520821340784053375183825542777493894566793029100537<115> × 109201353496509032298623148650451253807780174464891005999714277505156546706002054191175872709060936613342432357618910411272999826261553<135> |