Factor Info

ID 21168
Size 306 digits / 1016 bits
Status composite
Value 640222706874627528724116756369545184426069495391420488215577179944471857246089185593436682230712111045014162852858024726700369214099139209331779733869847681602169181494410462298283480722696162243760682935146768451277068996279147053328898901405185040062409732514583073279259655042120883586940133125118187257

Factorizations

Primary (ID: 7159) 1743424593819524631667 (proven prime)
(ID: 21169) 367221335034638116630944502886757089426626823697079257790971263429699934550414317565310598659059855571566364042372942754873855402970254298325344445957030410892184567628658683067817273728386554548186630987170499371717028943014510976015211838387890566379429170430072835743713090061516771 (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.