Factor Info

ID 75428
Size 655 digits / 2176 bits
Status composite
Value 9168138975648890005070225444262159225935273637580122282469303223747022705536345504717610920210104384178747323826345639941617468566519118490984402342750838925542047620605001752510853958052963158844733908084196479721971678895399921418623885718772377170617598000640626472228171752140948259494728554016659884470472309290322033375602823211278800795623125176310512120667984886966376951345676860494074551987106723726512638275877193605571946092512450628142628692848674464859283103554468021253991102439181280999043030931151573759348318543482395445684141271102818087010339724468603499195469631600223300611735917947588493735309440564434333366879760784496943326636199

Factorizations

Primary (ID: 73765) 56621045460781648098610503847956528696245241991 (proven prime)
(ID: 75429) 161921047219079813973933113879434920265598619808854910311272943351016675465166588671624237419205247191856555400915226369212153834187271653621306915471986601295288451320432061984881100595622839390640495666852745070171409014250520566749047319358616367672206106805444930548519846607330143604052223407818164823192202845965851388001373111754604587719699191178684267423709244000014086593430094541800364387394373906877399378342657640879427518074095311291200972040715500860859613454843073576110091048802771203721884370417523718686652216965085711012187221016697763811751078912938883809672180193006595669578440981989089 (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.