Factor Info

ID 144052
Size 579 digits / 1923 bits
Status composite
Value 686387192542393497568383303753115761809982486338941844505487970783436639022308107793793070290713223683864683567741914963921381835285420411395104651605857732213321882860389540017685863395614696380753514056732003932955732869253421182187865422219948493911187103963483290007947738535683117680298093150216924710404165864710292840933902775804728114738013798381561318091421388602430558672688423107865972063403545409749944173001330458150955163381091458964750300754252777796760912850313246603850342810434745175744867246862796265713622797796238944681900815966570961200980940024390060360617

Factorizations

Primary (ID: 143142) 87728430468489003278234446945154202781697 (proven prime)
(ID: 179867) 7823999459205365800753713990738476916913140179851586679278602670309068933799444285682652435506005758709723435514908754175695531122613106659666242332945406854607589809780826059344784331017345916430265286578560427827971071769829640418855575661293215500400605369259980233955619927865395926333465380735593462019096270622475945585937945583983349508204112024967758054421819830532790796495779258246480193252748419117024593132737915501357218278985043076758307004316414434298083033862620371943006429035453581818186887613508694062836045233229544361 (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.