Factor Info

ID 171938
Size 315 digits / 1044 bits
Status composite
Value 168687380054305757368730258738548238101937503906359222230585793029749653577386562612716947740439266629017665411160387234703711545827904921505169706066709609313826700724973400377233322878873477867421881283892596521935233212268321682228419183138683669814205582675394052395325644108111557248055373100068199231514301499

Factorizations

Primary (ID: 171379) 28874753842468645099777511117851 (proven prime)
(ID: 171939) 5842036991020244187755443639246882107582574765592648855442900220861167825239132776104755624958048286819032358540824341947207173996424776217411760932746272734563011196756341592225842021947732178559332167293489105775423758506595323076091476491384767500310384666598725967154492219146849 (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.