Factor Info

ID 150571
Size 602 digits / 1998 bits
Status composite
Value 16890400851158192717406879856018149146807349640655394016920209454350778729120763886750246443194749617120081777272823282000900077588255516145437829573370123900305682394888568886842061045578526075099924873310076937475976942946948062850885931123483888145317937281013657938140337689071262819659068793741362830141508183542361551682117179729542667481122712921062312943598926993026237678900448618546992751073247743813293780552796670028910020998471113150577046428058272263796477684192809512882011569117637826294647680208043491735748127536491311869632492296414521064522329905994464184066180067543209840969744779

Factorizations

Primary (ID: 184657) 252617197788661005061405193732973383460799049316133652767284282375826589992374428038935434712389244417353267697354147133261296078704787395002716744250327943338838377026807423556347507712466745791322172293340797938698251052607343688360848369704739574692328145998221696541031706156184645939371857 (composite)
(ID: 149984) 66861642829593356161588190344147527845010829630359092432828078025562825735578247012627804366223488780057414608254323390066065782832222062763473950919266535101107197271540595719538371933306109182603520066570955098705728813274137642175666956115338821688393806407199843033466764461773736404975488458959147627547 (proven prime)

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.