Factor Info

ID 30962
Size 375 digits / 1246 bits
Status composite
Value 642516538185244585440794429149805892126051998277610428928755869740470532814399725526404113970889772021527389142978339095411161355493465122044804102966162688585847000402403737989613355278215590490772975837289715428003800307795949344986290701399082717572415687110440777941085144035805746705478189739893004347314646273581404330776427232690285274171251999448659892365227106560359

Factorizations

Primary (ID: 17159) 316405768432826434502246447605529100577755433867259915831 (proven prime)
(ID: 30963) 2030672643446613101998018220115174217779557471137167333050974481865846521067751981569942752685811843896220381591634951221540191875937766991832767965272547374922820485543406370096280148324109135375819259267549396577263559020142762729925256611405964092160472070551558863680496353576700788868440991767032711151552372049489 (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.