Factor Info

ID 158411
Size 1157 digits / 3842 bits
Status composite
Value 20788744128129730899166697256442286191162927355932810737430418531841838924815943188905282671766288922497618559763668511612206885803156956205409149905434975467772600968235202322865229412547624568484532537478719621749100468928444627708202144254388089873685684998019845658642770571783750127678254842110299485675482918942577766482809677654045166233254508502867064422415834158031277793425512084195990851163402887273496282832346188871650710343017402377435349291969607457669039375047966985886476991695342906788581337218959318549147936385166451988442926300187487397521110584329160254002523976738054164397432344481790980501910290889597719916392545213359292939077602214739767793549420069093831837137364567070404850323291860750127377106185182163045908445121346509510914634547738623763583694925912385096728354554032029967765384360345886833796546658918202440389506191806717408603036216012664391364655467372456247982978312521732401258580512373829297978090969233053928210588998412787681702508883824574887099607273663984414259984071534716978416325021779078401736832092053900222002366466799312504338829618034713246984810038129511745626178565862988322386099501815958442887299

Factorizations

Primary (ID: 4050) 1302216832385373385027 (proven prime)
(ID: 158412) 15964118732860599688601833412278160093905883975581166528653799628589913029599707276599624410149513623673912302364403721374795966411311200489855409265006594405263033479820469135539774781179825121676859969767474131945129150824163030808067769014808224032565027398871840698525488265876353306896524889640637285919917307972647360059208104124285240390632292100978367813484050293129266476481832989909221036679401516849382263644109746707086320955052729822723498079396488232888608138865855603673536095897334987982827168549342515379025555521543564060126165374500893634936905848255113367856435553050493314735385711809000553575693498540507152433121844183705382033386439521045453102640375947008439902422372703392915062949945908034469278201124127557922183339988297513516642680899599020944678606870815289127157962037334085005363520497747016903032995681555581882938031822746562094041606371668374377561510865196114015483645946429113790109269473776587253219200080129321190114952262775288959673255530448581321554818469745074575899679736638284340915990795485705525765260023146762091830693205980518949530968794785049767020511761101364277334637207821564671937 (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.