Factor Info

ID 151683
Size 844 digits / 2803 bits
Status composite
Value 3960731792271605439255472758690413264911030110949438711500526483835206984460876543436843005254966015134318496927810461347543696585337092976578225646212384465837028938026484439209351209811579284195325767333137649543366996929372110743557215461156515957768137248462237035849847936145241911403561355692969270080851346310803288781533172705161168718629760058522848898935969555153551580006497051319655266226706922812023881046006274196471913839588678848406151459379619695258147142530739039588407490530287045293622212658068973746237863103593227092404417167637632692076948029999317870940815424562965929294724440868078237395649023226192024512707853113054459224860991340007268919309454591176656548209070259967012539245533838349123527959544369621548368390004081751996183824042417579584076127100457158498863829290731243376447871828078442783379156388067800277

Factorizations

Primary (ID: 149654) 1971810216061538373537448753 (proven prime)
(ID: 151684) 2008677995483108229546255401595043784234423902689181888851483524071834759679414844348728508732881435798011631568126600648099510433638623311578129380778310649505245351257168431925781937896042045323767308066411554832689858076132595883827603375919838277736484108499265616311882731266526403194183094990835828650926280751662987623435973473821684909512365544122053073384167919246279216055723642684663467307694043668490531082470050694063853443422467613392303630941378106790092109561440997752708078551791463418566653056287337946698567147177701791353902021461635837931862634946285287473192812314171067655581104167515159752811587480371788237998574145997456699810527050245593530224507374943051544198178858395504186946986336059276632485146111383366709272092465218893082542439274635737915490116783355596382348092672824529312545509 (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.