Factor Info

ID 19800
Size 271 digits / 898 bits
Status composite
Value 2058840337534641037904569865361952080348952746676410280329287846743301102480194120092579997358913185941951748047639793399040143518724153449569552968407855871804150695900257720420795047440943719999761246434077479525132258994058445507306188590793673681333781384358802210733

Factorizations

Primary (ID: 2147) 1976730144598190963568023014679333 (proven prime)
(ID: 19801) 1041538392663678721744627767447975174554864664802981589056272533978765479104328842774810531075395035448479880771306518231151836676526152889638368446163913231685310581362164519745104832194171738525173207940628720136356785368184044457805801 (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.