Factor Info

ID 145387
Size 1293 digits / 4295 bits
Status composite
Value 428647432416669508984116972977037439159712212298784387120401058747720845868521859140299998931252501327200215844850639469219178452876245205603724792028325940968137930023239282347730163528538718306780813043217419647101452638679710147359066925901393060531379602465739278763809002934691286132322269893016161446543755706680210857218108760329013085728053066308729040069054131145142546314043515908818373277454762469434982844586137770586905100703157191101898846213935022054184542632349856158346286888712650974470258297490267407012425521139334565945876078052782549425474806628478870760669279525882954530468856362239633666311032547913873879663632860415643283914059782023409912269735362645062141194372234095946075123681649966579306971741237284330216177040519380727201403165842123482935661271339681908090818751070311415749077503673245952386869933931023797828966723458033146016883412678434619917036838797718115961068529401034661720283901762977985316623610199059078075519771002225644041556581980008566878030297997967513751397504347364832848485752932183555455614770404772679237767979903858056260757675842086857987432943832984685321351928680219000866029011386565272493691758657850178216292330776887645267793309847109800479241780161025475909822375512830291853768526746764991718580909543990878766775140175703943

Factorizations

Primary (ID: 144079) 195868731355997637449 (proven prime)
(ID: 145388) 2188442378980793990918771080738655388288018592713892772199915190366112556169155472772559804957599715322781560126130799393468635987883378039737562907600727274233802716584853881492518844063601881670566929211302928834755074134077711643838403793644035872468198659936460666820990620965954405793618253273083315171547132154895993398373295185091178847033558557718222167387050336783222478029821571005382098649126060283857411497477608945637510120381061299117792518524838849847729627977768718998546692124609043970349020800402577755601780317122592925728012169500651376171533896570873423461436619953334920353517438614317880287854536928408703909835455141770700189547208329307587447344108464972853874949719691065650399499019343666168988628585515182431167256771085147089295956004524806507144749923775680134277041849138040485979524795058907676070984972415745915209808264067780828459431430872654646363937612447510816297293028759781455201974495671347529880461687370572610623774759912308980663469915722830982869926946054165895856499793415940025985334730656567755168791576892839621489281279965072677762787289008139355594271791703529370787168849554681461744473625388295325829045971637096811802365753673848315538007020730588302699409322625166177481681819536214484504627731346174393972533292848207 (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.