Factor Info

ID 16237
Size 455 digits / 1510 bits
Status composite
Value 20855670061904503135506492244392649424558347198983017980486423369418310767898792728329317210500537553178686077818601546397814381429729795432803833291002411394821629759792778480190624575001573083810206441315904068338409121371636801695474660112830376211059469506787027904805010082810747864076652657499901664471774199037982858334402789135445419742311347053167751840838612633575672599651662411253850641225491245588145101428890762749853740089295282971634581143

Factorizations

Primary (ID: 10299) 267823007376498379256993682056860433753700498963798805883563 (proven prime)
(ID: 16238) 77871092055157767628855856546431875231688069396041218659822865705566349149817574364568568903667729824731066301205694538479222643322744203849115882420940498557543342613397055025010772631974022282884606302838158177124631867292134008773128119346970514825438996432420493631269149435854072307573705373929277056892143302084870977215587447395491781665902454059905062919965108789361974526843130909342661 (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.