Factor Info

ID 221394
Size 678 digits / 2252 bits
Status composite
Value 655738593967250527765608632183040183086450704126912785251392713802684501130888725952364568445750354210649068367361580555417181286974945214394466783169110855418786488586193527002055376154095249265419430876396600095002612513540164340848448582146306891948553518142278128898118600992990676542711296438707016797121758753866327219604454644695649174177480374293686436090418166094792582483038550468325949316442031947651143609606129788315410176732623623205679392067758056293901709199916890328948020503916554160997322049663592725488162233039985854922272314863380514275655462721161727639929999059485950928397272833778585128401742953850431256061986319958914193097888998076620314141372213881

Factorizations

Primary (ID: 221395) 17997782580264923962044553 (proven prime)
(ID: 221396) 36434410241530886381541432674534479096602130303603558339381321803849739104644823983964851943821877212719989930294912359754989081817292123728306732610690744785951317068458794405144578542696778686607270243748587174187300208861749114154583798198603795078506930486583396483447330347692765177583930043238976203677373295057772189718402332477078153456562512634680279450937415326525749557661242207063481697924960079536146763839611174978532722387653672431755618691486051339250035585874134209458799162822731516161366087223763730625579533014154027023449651152063953948428966034102434242338080258242785862685464353207720165358279421182337516923825808184770033176177 (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.