Factor Info

ID 161627
Size 276 digits / 916 bits
Status composite
Value 421421818514357257178339433778197583189152516626294722049804298967966236307568358432386979150222286914063654023873314574206727596963290486326998678448487962000009900167745379223401495198266426079894849181675015967163222275731494622756724236709057592870341334256693331165689579

Factorizations

Primary (ID: 161015) 12580723724714597668206799 (proven prime)
(ID: 193932) 33497422543862237121133494651529507478441609277689765534252326748949262886338966138490034476373843576626792767819578475483955175363418539167354684971345298092593430663164607405151387805700289577410632858747741948552066543614231076400557924591716413221 (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.