Factor Info

ID 153383
Size 657 digits / 2181 bits
Status composite
Value 261502669267846910724263668367686618770302528630622314791370531181491116229727633946387781700252488139558941177167564735163629114987802936677138595099822135062124058276444755322091813667636351142671996924018990362938595830280509859169032189815209906247669098530219337005032349766734259990168245380311940189059719901129373653499355787361476684304624932300043697204933442530831042902531631823540395145608003694403147900700068165531324369734795338196022470443514689484368800912270566208217525067658870363383555872959865518702592895318292845284052690215861473851557958544364578060733691106598481620607560720446189181903761710078773621202685814285095258414386011

Factorizations

Primary (ID: 152870) 1315456857459586583525432203 (proven prime)
(ID: 153384) 198792281012439654235295746405633986334447263831521769597618535033178685642160987851812229876824061836354791390239015288634233783480835354865806374598641383670471114155386971340460100629530492597214927307632935181849414626647403550995050006760929348895350897866375401128950175705130008471577681941502823436096853372610574567996521259572179391036315455807683393311608275500382838976340723880819499644557859631634720729731750536597068215137222874267603333439159140542788004257529905714822076328166726149525837493475276265042828145043106172711522119491876556415757210193016656895899475657891422312908253587199145796531945656753031537 (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.