Factor Info

ID 197758
Size 739 digits / 2453 bits
Status composite
Value 2440780621217753892431928591202073475939774772163141864178577679046534311373895170554119399530307410636012794466082509290517034826858030789024945229163145349310966078010891158580848354997195728970637173631175893725061920102417445685831877093666418899803879126808606976856172167097816024801842199948743045232813740297355674456685407150538702976698474008305564361972499324653473581719732995567972728105343968515942751052281996768645647770996780762656976377322725278961577466230135419985065585624285479738940344601717754646956135493556651582186296499168133122712573108471498447890716213983874335295274679111447057513289152213595976890475316876743026034329581378303131677082580896036252076359178167519539233842482999797189365338523309272748083

Factorizations

Primary (ID: 17416) 1278111162131009913181229594811330800281249302512630958921490333402019128704122355541143215081392434095564447 (proven prime)
(ID: 197759) 1909677885253901849955599384370393003910564287984444893443114793957320542282279598354430958454344683739841521423478214980749601358205136757155801231924671529430247020655760203181124508584974427297327122597393062167253479679576654884274145732455014292972863997254023664366563945338070290752986052561598973080063334796313207834631116160596165707144768494840265242379582641612649340946774337737514508259797320752046770291010512971344961753095299861459875883724777129933385451963384341192442965303844524558506948352059780594748321871082920516194985385948075934148050432766923739377316940723072192173393915591855430889480995269236330989 (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.