Factor Info

ID 128645
Size 690 digits / 2292 bits
Status composite
Value 767186372996259877542138599281946667441566755499021187731167474664979696750566877172751178232278768173918769140416115180413095918592072767507268067059437282417692207225780660690902377153818271180345277218856070897810590042695241916475069720198610452754912103242987651956113376301984161652252413244510249565759848723968916617861732929954195735761164775799850844986101850225028453228392763726978838735131384026716269779975034906622591177830270028242675888875502120793243088297958649589350831144008125373472123153117542833132576857010146268157122778543447019132276220965704931040906019080569793847787622823501515186381689593321417182573185814154321677134168256883331429329605586980732622668739

Factorizations

Primary (ID: 9257) 9609296992394725016206404165562861 (proven prime)
(ID: 128646) 79837929205794064153584627687842958405655798587952048234205438659667137198574013234246120139105358577622823540194258375637884834983022527787573111440926727813996598876076822479816187279236207451345531573115332899593682530335513143808609171561898000037470067891829855244897014225446848621681522009718832923545924277571491270065136960581988000205259651879778795333249383694632069226544473191061793685001190721458287517842927002396851395307703244646885564210412815453617584643681039450274103573191714486241734796648842910577845394005339258351053025728552150514885181389960841078977969413526641756172178546307652603764135325808837665730858835810394391631615599 (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.