Factor Info

ID 128457
Size 691 digits / 2295 bits
Status composite
Value 3706939129903754541925233892705768464228355879335788813131866085040905067783440909189924302862030627419164264811050036449072226539415006057074791747798767379715220610399572476802862089921027039633455355383160865474187998080098744891864077923037649084145398775457295148912858536478316333981573899190819673140176621681427102566191524365766919151721889141526170073720451647680148141474070964840889864206548158767766411887766882621203417126432748507275766511737325642020192035833613024650897567587160758897137644921449820483811815558508177518830629188909019200209803839139555405189589972886543522205239266611214784922391563075716624337156391655411731540434582549804382856244272597728160300062849

Factorizations

Primary (ID: 9380) 2165597549494960583760883312785830024769717354721669 (proven prime)
(ID: 128458) 1711739621596935460686089468862697105460203409550016821393346520806154592767407597575768597144859969429888687292383653357896154478927155308569246472941743878419690333609964736031629593715903351752104763196112259104749403938849830868240318827284964656340545151051399997074444264207601667960651031462499654208159746781661784603521950909219551784153436642639488404458438945038710288621534488375616088508042843392971348710182875952301452852468165556913635433924947541927548233897158018373157904528692505036821904463628555953523308039547794550779285864863146611870535524938831376013848735634480195693248489360256075062001018480004969704304246221 (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.