Factor Info

ID 145747
Size 776 digits / 2575 bits
Status composite
Value 12931991447128743041219208845563440712686879627783122301393563237500821906170229802762570148600477298659179989028970940184672148072602275502674647954598923706012331418645572773956139505534246263663163454091508369528078125419160457521793973222096236777515691968847353333196902042510169780325007639141470044244711848242352992666462433274780398162175011563644441562045172131331863384151666151958017341450761093882147477224306560544084546208169133051899914577064887566876963787135320980983671378260341413141249583493525967999291747791425539289745524725375714381667033603052885316224827308319900104487478738412380247732770008360588973224300010675894711715142457952078614362990588688902193617271912246339832698366702632045908466296801876821814853395421500200167765988660524152944917

Factorizations

Primary (ID: 4937) 15211987064329401478201 (proven prime)
(ID: 145748) 850118488297493910788143885546629840063525575947887932343613716659872783444297578424196993264247104335528466806058413785687751580725602286415641418224097566913481410243265014148244604822602898834891815277372454182872910454118630667886833412802877331604953206604344459963708264013912864798982658919691709361527235218759942239356763674340375579512119921306792615976913957754790541200860495327944298114908730099910576927190336853835844472739717168456587394679671780542183118158035543319390968025650686157232977317529455464369519359466609044590056392332124946906073864105581252542876659456378528164762497076280104409360113120973078283556638130583534085709908841764125586429733892400582788655998215179830375919470925812088452141248674304784137728181675715517 (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.