Factor Info

ID 77753
Size 420 digits / 1393 bits
Status composite
Value 145428303705516875424404097121994632357764368545635302091999457767489085182314144540306089558849829681819023192711818337107890024558747094294030701135830778830679441103851387836378201992337456641996133086332512798615765411660699687780069892835042119192103361983582276553472997939429786817374738849769125511504055382091491625016771472180013176248641208160077572043649278068616205677712146694916657043943037106757797077081

Factorizations

Primary (ID: 77754) 553150145685491780606579017501973820907497617410759749078049 (proven prime)
(ID: 77755) 262909274886468173021078176941700975360227473490576184877258606372096130399569204623420902691361709105996407205738986975011602602770593750816134540747534770149899879234683406869516185414188307626144180193703317234995995900641526451041414865176477440314300047047476120454733339480702458553670914547562640759206025287321215204987045701057785415368895019475373369 (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.