Factor Info

ID 31438
Size 390 digits / 1295 bits
Status composite
Value 658063541323124423942824640251836338973716179093547567636016582879977117247991329387932013944785273133253465895486922628309406507764246421507555527287611422012848340429595997851721316467133860658330067734121863957952562876296448095263994359524470251844645880403794951000637893064026824927422291294905721018933610617157258099506049029754513858202799252862512269326092494263867758837425427331

Factorizations

Primary (ID: 17103) 57019087134151254061666621717728669167279862151 (proven prime)
(ID: 31439) 11541109730060568672239466215784097616474708179567416711228067988120220915110181173352763100950898192292748519970561569339509854595172595661266507855969463884188986591241454054069570903018606427917151888458582224019202738067462852799320986414013810140212048691533279674561292123178293966057844287837772719138758540407026787167877640764432678181 (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.