Factor Info

ID 150020
Size 286 digits / 949 bits
Status composite
Value 2461798982958864637090511508134276215383983715195547139709682842202296363924754133099164545117202811062612723616727038338600994033834328283469275299376956281532392645670701704512268403219833719682050141869659195025450650857108815632323460406695694947614003021719717857118975304167953283

Factorizations

Primary (ID: 183821) 28004534179193290272271310975007581 (proven prime)
(ID: 184081) 87907157005593877576288157459899472414704796401196645772247760581696548491545308677394033460822722138796231881726417046728254204631214058519374634957677627732399305128242587490747669255929243200977964753241788531011133177783500215866050489383717813343 (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.