Factor Info

ID 6521
Size 458 digits / 1521 bits
Status composite
Value 72453986019798594203582665987195668765770562935688739669146724653252726766004579750081971306329828296741487143199614651195772872829326502701399374145000040153700035638280665282916364816732322367560195878855487260204032661062701269498926601194810398421194349487472961587957872203734935609174332172160860647537006925063261264938190163401393284935219749947633335262235701964747375382599744330020239904574694644624565893303819885648516786342295338080362631948271

Factorizations

Primary (ID: 2957) 7248808599285760001152755641 (proven prime)
(ID: 15733) 9995295782390727526131023188947914992044790623033596591510795052225204845486397357777481014898619118440675947721932512910293924474829702585836670113419758558024756759733389990786524162234900562454186954499486296291863594999364276763857360048459731411419033927249079750056867517512987219850981313324297627657271482422783006837703147821265266016815008526099432642443871231937655143194453575585054777107853978853543980945378913587431 (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.