Factor Info

ID 165389
Size 1173 digits / 3895 bits
Status composite
Value 269705279366276813318646926076044314648258823966992178433622809944774649466954159387773508847525994309443181392970996899898279932462899848641852370816666906951288235250578599841250600371277026096983933265190927035779344758929957591909437027859489289476322402823857738104802410207672913450331089901858955908879042558752568470320736361589048978932600411400311360312832227566460404807855685807644691342312178352395504327848556696282935090944151535059817080938685529284811025921211146201382629984156213075153091067916917693759201818887980704681573678067024397855272264870390286319530751900862260596923862747749384479025318478953531543115639903420171401462894484087616850532304796195599923630115220298577347891313850260588075291539460481960306144328807858005945303965014937180094023791084402293727095329284181458692979411525716940008338672526661057117418704098561938198208292087127544913252382759508314338616410913520633928225706880881449657786553564460948805544471584091655820226669338081873485708104672222670472803697753548806535747295158282605660125493038185932889567581447490747721961457962023127366210116731634730291696178421132051844501941630400325298313790008533317528011

Factorizations

Primary (ID: 165390) 28973886868607797561 (proven prime)
(ID: 165391) 9308563969665151756727428416478295414421137851067746725244066147273312012744301764836846166918296384584959716635873639694220704622396460948887914870728454541382033061337458473345079595112302666278354717552255546805161907541588418488179488015405696424642023977114325758656399927840088194312380315025222493089438423010911179414598184671603888395985158993170518183600784085085483948858397681896543688019186796131984457638634426825092870965552053196774662990899327758510851976349639047611307518817902823088865528351054191717859879695828978331837925058740567536244753110772205224024216437038822334424100729548485711164247382691359499979227915840794920423920876170681700748980139863126282756488196273445443249151310960630275115413825127387212718173934497096333714546900526105706393825159296468082344225556524606612103441998929944702981577456966412867928574252570521069009391543154848631240567026435595499671495212288054097090838767584904917335104246921427091167065795262253682460942581827673480881771275101340668437555896493961225094167682329676118878966456493563438010935667524085893104081945828627566945718453630422258339126340828142800894839944463633948451 (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.