Factor Info

ID 197048
Size 555 digits / 1844 bits
Status composite
Value 666508451791248315549176551336270753001421706742077770522313026788388426919361566473249980637331522822342783607324169760023860293709337659904726005004222723463214009956931644639799814341888273507032717042654648353860747348279311570319471706179619052669691823777731192422167412621748755975742181062330534757180316924542879187623604086958942908394459026526494362331515010908419842097204511611592891814173783309821541649647308311743894767708264449241322753175317120826518704861587715468191936328669363534267864111205803448600927448081040811329682056963440691

Factorizations

Primary (ID: 17251) 1443883079527663603943444340055791696913305571 (proven prime)
(ID: 197049) 461608326353739617759632107499971675447433408476394014549657258954657378025265716964771007804778324536938645438269020287325520491312985183622335314584054851081038927634297882145210812003106521612200922727531246703872101576231137659119739353342009222038264202257110654519004289282987449844367083234817515200036615774902787707913899373132604029486050140273440035879719056571629251959111673319162963179880179108001721249379660207064055168331621000049799992112119365282582506675166040535171293101375655815275044721 (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.