Factor Info

ID 216353
Size 501 digits / 1664 bits
Status composite
Value 670117151950305916543924529372749407789331839998047214294008339778180687883646839257490917572153351635410846982402783074483094723243990318716236002152040333800736763728578873642288777816259667358576918126269022434985841456552268500762540952259476496367498894477692280937769457508870052403950305064037669589830196016484435582916224520791351289072056491793546872520513177287169194421229454649493332284590647160777100866599029696617183212011740262270772873589988166289678321594456316311145222727485072537

Factorizations

Primary (ID: 216354) 40839778781252268748092815543389 (proven prime)
(ID: 216355) 16408442257721703973923781359928800758377401936794258845551618932284829004808238736585951263813421074554751360641894641557970488970961984385091010944321794772382766978074154682186690987601624903260706434784930110560375477921644935586393299003981408611514091347846233962056566683934654371736423913004493083304947763865197000837669911126869201901432515697550138747069910240321049083611823571317233097765334052553781654209456863765608600294226789072958057630373249884116333 (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.