Factor Info

ID 39577
Size 479 digits / 1591 bits
Status composite
Value 80386721806911710300563595221299582708022129469602029954998920357107484000697877509879766148813053998203053861436717932971559823706488310260618735695403353377159180183493873358420119126289621752172800927222795699869902780693584280306629634240741500123151305278443448922843973617465067148092416722120946734889988075281128258955205001843166426877535547053957725172640692781186206090991814560784976501171785376929353235870264949673364899783197996537766028298404251105628468772844373

Factorizations

Primary (ID: 19382) 447798287131284928051408304965265782892174953181087929 (proven prime)
(ID: 39578) 179515474080730537054869158619901760696979768477910357076974182664770109487775406798369658106375135202540738638832917140912562110661549377459789445175057846995171159152970619932828239941678256846124607562443270488415666019717928233257288430237219420305138445274217345964672928298730006943493764654224754534690063483516515781565805761769097852188393858898946070411131202163743796704981692089808717179435968123908282968327879037 (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.