Factor Info

ID 51506
Size 615 digits / 2042 bits
Status composite
Value 402949419156013579996328091766657252178079298481236493732365147043230312251919670289833061332555647350082946374280860862915532195001382134141236183229234646266798066730993192025827326667918757782249786744883039433234383320614910375691102033503682861949511935208508961617407748724323007831886261616539130358350997119398155407080095006411960412138620882812022044217797592624303407899424541382377886636108706081853914339949207727305299382305060408351654095943582493794174642879398173153251512247744947448933961772743111522435253023387348184568441233464291160067761079973519010279717464727970693396511117126943501394727

Factorizations

Primary (ID: 50221) 157571957584602258799 (proven prime)
(ID: 51507) 2557240674881285539710910514862509143835132999423407279347665187300085766717437689882782964011446891204852952887406342070706499506814525078768205747669353180876718865674605615266654440609272962817140228174126971394468981264093109369466420626242921654304615885533748199385001759030967400244920624062731084217083709972458615162809626732540876452230460476155065004020058675094713020125402545799392541165423092349325728283096791191094968257848674879947787288046031528443136365080305744373832122027066040972555488445452830225741141064914336528522164711401010145768530379215382206490923924282186377673 (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.