Factor Info

ID 28281
Size 594 digits / 1973 bits
Status composite
Value 655994720516047880421707965904970907059274502405100206236609679541998939907566188483249582715983568347513169497494004213426588616323796654757224437850335399666228960155666160872637591535984840962815126811352096831043653591406783450237234184118546808978623734580234652084363951998093007698758645281609753083422247998890903623994507488977963822587157579499213150010661283655702999906505215482183333509034350340389947761390086624783838062542808204427391720300721668130922898129608195856365156701355350804296279345409258091063564515298195135533836060302644832903908106414123666827743533484715044781

Factorizations

Primary (ID: 19433) 36380545029953205956377406702261 (proven prime)
(ID: 40973) 18031470391000122018616275937676109785041438572205775436594246396205391435372723798074315894990257984234295584577386060968774268946462006204272614518183074093794114011692322283920315445718206606739469570383112634707007190561201168953223257924700696354084314841624306160822998136631515502749400815927222036380828610335590735513887172879229356107210146147428601692811029513808083573272001547927663077894335610219082088020083046875284782915959262790932883829872097092674099467094224009192151533577599515697611772519128616872229312192299449465163498351696285585079321 (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.