Factor Info

ID 143437
Size 274 digits / 909 bits
Status composite
Value 2641282261965573439534812713986868491121919352498973948176370849752848172981787010582462635351948913503343076208047939405013412059808959573224226984794078639003031389041690968632202488469711563800811162714761959603717734374306131778588341433863800251566974680067546555057273

Factorizations

Primary (ID: 143161) 2270440490478175159386113 (proven prime)
(ID: 143438) 1163334724271630511811752429776012461413585472772486474842383220170258242037043946628937956297202858148928592767321409384482912117247776706583220804611469854696287029094358056387121040635228947320708957875169489750508001030607404671050235734994355321 (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.