Factor Info

ID 159815
Size 722 digits / 2397 bits
Status composite
Value 21011915899291483568457620330365241654167801786858520336638576844849349604173863800627043422539076875703293893826344130108221661198821949447800580723318243774494146883449770337366191484225352579137756332152168300669365223425226682701397353351749852467665180654588238236823057668384359888730228905786228226473458978509087992262877612632113465966976209872873582440073384988164184623111875229561635975689627245415177758524995029310909802419666070133490019564686149776403620749032295517747734968836389904666205315500965453203340217791369253722884003481457885180179061882692726018485993118305253006937482402141913079062064813050676830031872515051566649683717897611639341428282242222471968381469270789056077756526635538669288211

Factorizations

Primary (ID: 158996) 278284824563643216116963929 (proven prime)
(ID: 193308) 75505072661574824433626092035951532176508429109750265236082629572485683945873350477659904084651565386539440729326206315078671050792737055962022588983274082980911441108273036946438511431626618070791220571816826642558951741161041326849411077514791930268975999009853449091938208900027760877985154293105387374949697442983160910103237872301198856338787158097450234881780661146006325571044102945767386926783103261388646212328210768846267305458408998346556607278863466116025944247116161502855501271294150111647331212823326358667548425703125480047081647500026125184491562947360812423408051248704257473814603855031663031977086164841498572510772249552431393145892818890142167984157359771774078968935971659 (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.