Factor Info

ID 216355
Size 470 digits / 1559 bits
Status composite
Value 16408442257721703973923781359928800758377401936794258845551618932284829004808238736585951263813421074554751360641894641557970488970961984385091010944321794772382766978074154682186690987601624903260706434784930110560375477921644935586393299003981408611514091347846233962056566683934654371736423913004493083304947763865197000837669911126869201901432515697550138747069910240321049083611823571317233097765334052553781654209456863765608600294226789072958057630373249884116333

Factorizations

Primary (ID: 216356) 65808132795618718158167472615498631387320997 (proven prime)
(ID: 216357) 249337605561331506090925650514155955896804192232568709982717629783170144850959687849189671239942668025327122985758059238300128760727851686768004253470485708444528708415687970920143893880154112846045658845377533392570696142696275285013750738256651726015963208256329792728554438461471775330719425970997306362010559921007165333702225351769286137618756071504517980988330826140734033651449652758655090465387087206125551696064750889 (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.