Factor Info

ID 145617
Size 537 digits / 1784 bits
Status composite
Value 555514225115853186111297133650303471201623852298504469472393610536223963167966980587942971452827041756074765485296159656217934203847764433973351531291245006906305262425823235507229873277678025717366106084352712269658162380823058644752942301870433267981306008132828099157770351930374750502328041080491746127851203131852515185760778107746938728600402798776836187514965189050690598871699634227760297712564915434173813810556064594800561025044956433705982427093249119159663577262709768712921963151756772300256381196275752344066305746185667359

Factorizations

Primary (ID: 181496) 21753961237060278628299226709458681 (proven prime)
(ID: 181497) 25536233105420509442998097908852759422350965287975955449474605594289763562860901670979498943259980806184021172731385592914931997297640479608040250452949107882491469787442254486378460377795052253175390077667900294496760336217723154020702030145573037796615982118530962876725713175312407961034971537346689529616427557471834125555189626888719378181872980208546576798742592109892365209532245139095181507902427619943098190542389047227155992540251948293847039883236590710694364044859904156385317795316204314839 (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.