Factor Info

ID 168947
Size 642 digits / 2131 bits
Status composite
Value 257015125098505603685294409876221829515640886106429362225813674592832105001556959179593475391263122809717077583804947358413558579199643849332769953954001025219044281466836073020867763131458296877495980599904815803160529212909029212786670953943172787190326954194447987122196579004140336897099432964283337536617151486014844392181634937720900950360936748660472417504963115882738251326665126241935552819162015235786282624577426661986425602450555549950819417291242637129227622463885891489327622910435339874076256091003593940394960473326452345141492107685777333463986805703804537489376064804866133227620099163259974066794390087958439054830460727413

Factorizations

Primary (ID: 167792) 4510053597010461591911520110711387257 (proven prime)
(ID: 168948) 56987155378568204479261633257161468892424112972388046561971418179511228300361679721753041527820657304085433797627298989056674918854653798486720716249417211012619497349138661937970560451698069557361687751204232881899734360886304272827002390696773692940780319322527766562125057623481785508410988848092328816735348378030352836119389010146560769854664627245865726954205372188495301529990926975628092782174062840157083450367368728083124642012572330331495731025955294290449638085044855102440748611140803843644219628102785329399835747422480737357466425247030746567963236318550593135419521478025841767760691545309 (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.