Factor Info

ID 164023
Size 278 digits / 921 bits
Status composite
Value 15560256686851801185378047446194454174541338793361004569623905856115121714872705680948741657569023668173454966885496247384344798048801784259317415302681685959546488826655051689080976018704674638238618467857130735371864813965657420758036186745444049801605577008754676355288336713

Factorizations

Primary (ID: 163564) 1210458653094709914409 (proven prime)
(ID: 164024) 12854843614087758557207584030238384822378386599023422328345225125513879034273341607043833405894520624150497078143583158621578669059403384753399903363805591747223099939920009089598782780994562322237404401803726778843319983705536213040632935480296587084730657 (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.