Factor Info

ID 153193
Size 718 digits / 2383 bits
Status composite
Value 1970381829792761074676047240746695184385288340545479948353691186068034070130962397635978928687155619081097457079731510606258895160891914402428613690092745835591536451219956325231023633851088277521207117029211656949228713675186884276452327502860591899691236331867193415009597086814123855991927539459476602202934806956264409602017086352904696988712582180687872905646411582505188795602860812907025811509051395653745669326524053347428568783661243591912448832140287599276582013072933100653643318865337928445807889968530668716451813757290913810460097898028538449597939148256932886539969502468297420277761699807698670913104199252415268471206187491597051778659221062036767752474115400174245925217036756334592650585327921792903

Factorizations

Primary (ID: 186374) 241543265898391441412260676945356578631898858572763 (proven prime)
(ID: 187286) 8157469521926683704452487482446666086993556769771102460347391062500303691870748775931525441709715602737433349409813337410209979446248390303479517287351564507294579578495699734129056125884223781315691951761492841097439263875120966319111293958251953054596570314596251774933400340891324230820065342425923416430813995628911080666896926456846826786108769067058868034000602682989599451574708283291068032515595400841152836366783956191801403875434087557143367360404155062960215832200295799026653213267318075739665490973169849959864745180440574201342775904333616958150313636628387112413174318445135093641715658619769290866404572285087621487097494967574211993769172179711555781 (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.