Factor Info

ID 61581
Size 638 digits / 2118 bits
Status composite
Value 19356729316138361081396302393063439916145599736446181688124134709555430568790061653846597216423279485167077068346814447804171968482871944954268333383214989290662380598588720900381352529971121185689130473437562905346699658607570092160345298608174513645286070733626588157472669738289652729024021936886032865493086285915378294316721085182167092369888892740293974456287976467628374105869076147683229853973283560410574807241410207977424102334738508170865708481225356715064163922263252682543928489956692118524003905199547080750872916278690098209900632275891677170498268250629260472573423469593499238948886400685349461965661180654436343163930881

Factorizations

Primary (ID: 84435) 952556387564481241286853191493121 (proven prime)
(ID: 85913) 20320822545350943037692035847666249688829467707301900526605166271550612870018093611300598024858425665921613893712762963434124566169505543113945749713464086989775882457635051684823219112512401612620010061480315603379583509669619487329251791315658231279045441345316784525740251763813515158365274863259981623792894379861118972853848037283148947038259869010644852394804417549034943158630895651660126251222249134643621146218129257085012809309563080365322024447760454764592196826846561565568307520455806544494724294805015189410309589870696246626635002633744259620993124654350826930362959384409584546792067490561 (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.