Factor Info

ID 189597
Size 621 digits / 2061 bits
Status composite
Value 255655618024883955833013586213481986232196134157878100090374705649314189970668744039988273343916789345842950874161044494506821425165131988116827617858200412493425012711044415598369191859414072517220565429176205478473267389284219441009339896422012328714799879709041999494208820984873476612232500474720257416440422012700260045045873786236060136723166892658556040799141228765869948279211907903976441129401015977446214872029458840571666783925994433788659264997222075215637081172774521542832607121968731502142470712978803535054323801794885361781342530988756141827072581611397128888723872452810909295206326244534852914445429497

Factorizations

Primary (ID: 155955) 478103814896755465120707905491 (proven prime)
(ID: 189598) 534728253695469310724112124676359829461916950240256427508218419413510822468932443107380959450965089968885150333493488188101888878642486745144702431756516028560342692617962695904173407430947515155531126193093061832878993913741070972651389626783006043622361599071284512786684572189226381969271690308150317285836120281033196113912718723618054408490887101067251408911919466856166335527249752126458327250878365060749979516348058612556651514049566268463964933003415158183983576285240406688095922341797454954414812827115057617350366420001423703000271078956450849112500096307151399785321882542337667 (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.