Factor Info

ID 87880
Size 472 digits / 1568 bits
Status composite
Value 8396840128640450486580974914329204369367692713963240337464781008492858850140455030869361695902481412941753521947579987507314966878893813034897379471143286254391365851906528781808630553016293863786882562041046217404115231315837344464787110294431142481073785013328063824959454881880314799031895026673592690593558397177623066732588140746446681961802900400242784006454364702621823154677221556667345804270224998530448271466590582610650600588756774837535985260972916303694324891

Factorizations

Primary (ID: 15001) 18883360229126539123965611847358657506356995001231479438139229721 (proven prime)
(ID: 87881) 444668746809627072380137786469786519509224700354303321226857334043886968420102684659962882516276787585205595340962053112221620651738510737521659612705871324665043580450743794596811355818945445542776775951288295060098368553643516369881669300416793009130625619714014083770888910955423803592448343920879039801343536289534889866732002307327933119168959343540457194624141646979233787751206881704868513580731010771 (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.