Factor Info

ID 128898
Size 375 digits / 1246 bits
Status composite
Value 643925203531129861222473401216069072179022757819238072904717081696373536541499827454666341870307091032261758764838305337702956355960500105005586739772934910172915990185845665844358300893107323691401269739013751086528594879510894254668232754555042658396166033917623991265435607974963848517472306801717765734805187577982836067342778614695827982251521260773250983205082766368351

Factorizations

Primary (ID: 128899) 5305371522824099996022577265768932738337942101 (proven prime)
(ID: 128900) 121372311205900678870579507297951297536406545339633611699818538578509727328708507173292545283931534671186736605999802031289087714334155818183200710268326756659540588788665405355888000756112366974654878214965795877867225378024964939344762325842683757766352552277656185086593278251323695726856571030449839568245560018705996320801251 (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.