Factor Info

ID 197730
Size 771 digits / 2559 bits
Status composite
Value 216481989565556658030169693009290939955471930007526308151220735553299790983753971815084403040829225690509201576928528041814314350191958098422558332526638072445198591767450014707132371354737651806063987684807889848594792752743286872186840335016934193278972081883089722443088589699064880119611589566380930692072040922965988154898712174890862085960342183536530474682808737880397635493173168511635490581263751410130830874421696406943109174313989771993969632770201765507267312914902644745692083821755091779092895502849522926655709655637396223597338625364620447559059698195790316520667411013235792579722625167801822752304779916231967952980689611316240523363882725057205965914064053617354494815521329081041813317853978471689733524572528306080566348461890028439789070374848616427

Factorizations

Primary (ID: 22219) 688032426812647379990413979 (proven prime)
(ID: 197732) 314639225026679071329153684119170499787901247418521432667731341379689055687278079183098909530958318059282491591009394021713534693759521271878545765572504453016554625498788492241601002607584648914240967621266565169527674849448370924023409486123718444931058728295709336057723833254178695013121077653866384230602164720978451475622405826015442328215145061041206132035253489223198477112329301111061257779870304099854398515275806469629856413906922591851973398779293415410114357782842733982373974544405788039192339963641001210310400916238825357817247211773644812191265436742977004521496115332486044694730955562640074053834676946971062297287528194711320362726196372988542304507961250537615787769581050120878424225552693404491667505423866943661669379313 (composite)
Secondary (ID: 17402) × (ID: 197729)

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.