Factor Info

ID 128763
Size 521 digits / 1728 bits
Status composite
Value 13545981554229413955884518314051406906715144221780636878628915985605389856795728452644283348165752309897828077442223719620673829087901618834792688660969605355623624951591957431841952795044668220834405493054736250410862107088437415065274247043083999857641849160721387354091234501729749941800347993368813698036019627357051466445186797380522395004568078840154805099895826896540487333309184965395722686315887160314032245344189128710452446857970887932783281446310326020534598795446137810398487428762726284206579659985389657191

Factorizations

Primary (ID: 115405) 103186038890324582839105851962986629845479080660499741327293987706345563954548701235894584392285681681210522215589678012732352261181740315476300721971085347888446555231 (proven prime)
(ID: 115396) 131277270645375808811303570672536092247834123261710752547810216847813845641481954692155091657545979337516774641782662847784213762727322221372477095541272150092398599945580321631043871063467618747634363902651619996833306798838783921925746090769271033808830085709780522559183215445063358860080664485574688711014230366607049124106679384436655109440251815161 (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.