Factor Info

ID 15171
Size 345 digits / 1143 bits
Status composite
Value 100089280446658163644414139156452257445678043145592997536365901705856617175182854082926352953183429857475016176112197234449576861590306221131013342084425521407906307324911583732550863207097045114277272390958953619674943002847770699935289356172758469102752900434032757642088374069937219201711565911485274801685063442874693568769621908634144697421

Factorizations

Primary (ID: 15172) 575563253225402647909054046710513 (proven prime)
(ID: 15173) 173897968443550201929296555761626960587680187828466741641684075756681155253498111057014491642987125085661567599661903824763273438628336051497171177184213924263812813376896578018050378416394983781474838145197734292165925993153583268261757665458752728696221098966114545789013948209858674415098861357666734563589917 (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.