Factor Info

ID 145766
Size 769 digits / 2553 bits
Status composite
Value 1987718392008916487492401890733802011010798288718179813747734712927559494781119314036587301948776522536996467509523691487340065811336959155293595500467299407879532958999420718694756658094675344816929179021487990459152569365083936323015401668619307038165951482700523442134880004203095078588138439838557223980732383491307167240580873345654872986257021519779915942089343816049961433179216610212995017703462313001090022835463985124625370432155585246201306343110421034864321750010042488448090574158846471112328210106810924519892028942334971722169395051244603047859952483799078271928648053759895234637396930014639124766066705360173626876450256110792529483823532325694946524093785125985381641364394770289367727751980966891912346329118354196945409459944175771779301813061152347

Factorizations

Primary (ID: 12142) 280046742341301374601452645724586373020825738763 (proven prime)
(ID: 181723) 7097809370645791667992058633935787308883249110900814526447712362511730952320991824088037505937425583194811194134628377111212486947883795949499993749933033385859561273369579201697196948971362531710632015396846939633220177614185355988040334347244627227917133688055913818649383142390660394222973970747585928493215998570409456126266330962006716541020716792210366753962565078272613118087674408968676519442698815299469557989661982594025064124410963010677387641324306508823656305608352280212082191654376128682770932812385313146556181893235002479054931774244765407730607206147216588841086624171257856721947505880417931678385019080916444906302584678580897843861321994377756746991201025897061575961892157506681685107935584331657969 (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.