Factor Info

ID 156893
Size 1277 digits / 4241 bits
Status composite
Value 25157284784997625730192982854579777507448600197718667378733673541671722738182815205778970134297390169632027999850913315685147747133242628892806647525216776460972326403364039623335646326378749040026218325824014891228903137317553785994510492265487996461775493459726651065850104936420666309297220768703439891247643493707681504336743582704268874281034464684107247572992397599866552196946748337467872229231914353411064162056719943339524865241911635586712595219702979161386975401043190404663156712950968550605031335806264686050054027878318051721151004581701468347440090817110209518424070895845533060366825576722029781643870261472393268145954713377620437293307506333363531223443660150159177180555351760590974890160414000294029626812462866158099566110541784062451174017619157822231576463130742993724858452572738503203700295690255837390129207493947794948155172694194950284314963020371727542718594127071093608432924776056484996962587826405362656338113296348095814844603404011046804404966733035925381471749476452036019696870113792767137287972111734043441701011434348694845180865721917593461742374943274573669214255174994003989155798982506286100839561403714403237228439138724458234334695959303595099265386508524531536693623849754653968437311607052185384877517456999673875321568311622781883

Factorizations

Primary (ID: 154712) 1593405992841712852324481273 (proven prime)
(ID: 190905) 15788370884768425697760120647068723502782699653609416197279324850326598473906031607815221239050171962085865088255264220341935526669181860571328759117353512003104376466475342643413955013293566769228671972112111335288700691631273154315445557969950353047973245782186948895961455956842414103362732736219879698229446444058982185086606981470575026181464087728040151752156662473670316434820685077783119083898741816125827905471898211971043252135340960152314848372017601084158021354888943742072299694319331733533342305135227248408785923428994746460265687407364532792787156751374946257011055673106408986344591234262193854440523765845327175825548377260117002931638099780432511380434531848148973570606896593342545275099665129578358890987299803894754342179491522626800327499278990268556085257096988000734786383146173338910615556868762530581834249221773297929535200175147780466559572942319024494181412848330600826863820015833423296593908522295523463164555900562309537831755393650960025505505208036907033525208644748668431146140817808428715350039029160576855963282845599427577834408085250866271404729247306733710386173180923933267006494551911986839310156589859378128805669536401558146555156806347645931225768795168428860723396767530245892268729372769353299244575571 (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.