Factor Info

ID 137520
Size 693 digits / 2302 bits
Status composite
Value 617701196783091479069542376332957010486422549707750859763976356673754905404351331877494402875864367765945360128605189077440297924683743939895599745475469532184693333172406088884200970495756609382986272457195780914124555066021834335520941287876019170474405110460251816093465455378777421928775704689134798984164763453696880753828915080605281773430999645524125724889222706445729623955292819842549320676439529684968892361786585608101404010227129128265253753914211931482750411155518771002581796610168789615493305274541107689102170072327676357713318848900510138958773370729935647089865713150591763239833661092702165289445434624895237710781897306982409129853446753279144156729593310718321270847234899

Factorizations

Primary (ID: 171661) 12847801323739008204638237774678108561269291923759878220041076741530267280493158386128894884242781091709053880371593509825729831035679620385289238313205982569471800016002983572670081245177583432915806328151751451050938395384989859515612175920268832884216969646433389268229330385424988201398526690019134545900719110296778761503184043206121 (proven prime)
(ID: 172419) 48078358406878454322228423214091470641164384867166101211098343051698520944238639903934738698403652198104566504429199579835552946355241679819019360236533720645247750929170887303676543123455872716338781393873481301556515309171604644930315075956730716411195728984040028441544385354745828504881925801045732348156651188766624263841498102066616997748532923526619 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.