Factor Info

ID 128378
Size 867 digits / 2879 bits
Status composite
Value 378477374234393074859962932127697156081871507875134101922294114876566016723455094495840201769291112472222211834062659645045092551435352883140739407626453508210815652088539361785762221751782010132504146970181523360180266570738560237583533121110982599733806360070422075721504617503409209828681804429836972834748333242814793079839400131615339956076066377497637982198387580095180453387583902552273580020330925379883387183527732956886198637124118514236199104011358747308867965464048523494007514160891957256541774376931663165503255666606941317207814250273537953633479165645318145349347730645685738626080747541739353224573894205223471544838507316752957150571597223323286914361013572566028915742931663472605928334728609556635683680243322085604824200608370084681684232207626532610586205320855980878488814840144833805217016817940714040797097438010484230774718978993576096687867

Factorizations

Primary (ID: 9546) 678636348621153801041680852528656928880530747 (proven prime)
(ID: 128380) 557702774104834533374058328753196983083859531853998697145532494326356930933622047947080075856484737857486678531241316008606020712677693833361858156816206860058177000829747127503560108885334738237517683540523527927584022435855922431485515948452321206559818486184894946294273274111735133805782829127028263604249255688916409152531582585637015820220301076577401781986850421565385958941239136141865804992325878454707542916641662033524164532423325249628308422795703355154413334284858591577991706267469896139050178680214931129441269296127507554006515415568374623118029821895703361211975664430809640607508391069116854606084713595606037541090940102108700350114033061484670948976419668594526779858397736282438864831353449530657871806598380597428939441069577861441497609028312373015905858548566308940818290189087863873553860011120961 (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.