Factor Info

ID 87729
Size 675 digits / 2242 bits
Status composite
Value 517284070063803120009449626447190646865334514875889240722848030651588290555307389559877618512746187048303479665342709700419523527252978193843585766223206347431514564255231074048796847634635476711547102021594999145968952395377019917258917868979830227317250573894658744173711958909260640253733638280512352458966134781503916847511372368370435833773190246456630737625001693248146898246283103348267433400777891916930146963964808172332374746343933735826183613667842750525835239641845225683094000731073735223802506800379303300534009206977893223262989835203315927658010316163789160359690017044203515900525117911316484316624248403752354147101779770722674739871882372797669470787919863

Factorizations

Primary (ID: 10892) 2549280727345379556480596752292189634269829765250993670402549042422649 (proven prime)
(ID: 87730) 202913733475897754566016472288570941789594683256569261059387627958704156532204383131417878556079804987852962151844046632258984406393025474017725623403285499659009169689372866498597853072944761900033383791379902683076887513669576516734774768480876293921317323608852794187155616117531097025809717247816643885416620842600799107905089874674833405096508847120599259849347785662310544580392828258826924813548879413958093706295388061941723847673559198113787672048910476438397482745433755972749904587976152262532790012473111862421199131968760200595932169474191201507686168545708906526764826556277837438525622440687 (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.