Factor Info

ID 171209
Size 864 digits / 2868 bits
Status composite
Value 216846350781382493418719315504520326614713934228923850422799846403857297627427449071650578354629960416106833894353419953315239047817514378266813287280262907499106048986157460549546437783253067042549955026960391741565965404266705384780304238845421299353347287849934761518532352136990721280907261905907134566568224733611950566617267398103810620146663489833679161245579824031177025859756094493485276107412110515452568034926685780272803114023750249590710181526808636796827255580518030904590709963243203666376524985814809001160526996290811918346683366623642467743100500587661501796668246557402967096684560593554547611662603178594284359739558538011295231271284983454249052851562602909556800464326337279513067316620594450090361847720102386116916904178378807114019195635891329988858120077883225680643346663410780682318432604437627729294232824584611187002263706191548508179

Factorizations

Primary (ID: 134569) 86115206426680425712920931 (proven prime)
(ID: 199827) 2518095929619680061876886688828117428103027152663009426203676747373449435917338311632199151251024293025379958722617579197286324115373206443192223991041125400904034657904131221610611822973381619146774400893102907388627808418332015692100951394649397007315760616255407663220909351731647546074362840095375091354555768320839071447848206894118964881772354442060619890836291959283609868347932746422391924709476385146272683624417747366480264829918252908954647561368845727911851042981862397334413430783948394343170931925849318276083751196937398848494102078333223138080333439803358047226719167860945316009758776281403258452021927392730120954959305437976801290335822558415850025300810014683315573339811523131125163828994015112392360561898547481358571317511897051112845399224121728665328427192041660381630215917442985060785501643444329742147006225809 (composite)
Secondary (ID: 169583) × (ID: 171210)

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.