Factor Info

ID 161640
Size 295 digits / 978 bits
Status composite
Value 1962787889315115162674777080435603070130509981628636964262826645183138545687127506880250778876527536593363932980658019147402289384082849373857317504581670214941790263398409465376341701265032375268900526982437264764243414686262409960807748649069301464659546442697351609043872847592212085486234773

Factorizations

Primary (ID: 161641) 4423248369996474679559123831 (proven prime)
(ID: 161642) 443743539844831164397467197280935134872788737187437793110862925425436497052938527509758757250117421630672859534702955520733273137717600601133203299664676590633744555142677646571780428242594429186596919197714369626491974944397015509915052126841446031950557826428332883 (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.