Factor Info

ID 131971
Size 258 digits / 856 bits
Status composite
Value 348215701400454297852165673050498692305935808131679600101829781633177793802683682180119783289722655365866179880284984819032142163450862559995218232856112646295483530250895350578676448859274718487335689646545991872753541970480578468436428157997801853209407703

Factorizations

Primary (ID: 167885) 573079972724225525536065884172119 (proven prime)
(ID: 167886) 607621480375865084149114949411941357466913748048766535618870062635529317288952237475160068607609349574560772310700035933003932586341128782258000510453424364505024051402937492935977472520563465114545694279952750815843032324737 (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.