Factor Info

ID 137081
Size 336 digits / 1115 bits
Status composite
Value 256157013685123007416257680322273129877613652642129321964336340390995455572761490806611929960711465147358470976974391130035080248981826721518008810897633122634676350358926161160556349974113011983868371373214391840745650294176832965666952184874925481829478584303832578690034185837035044910488141231963586679028879780000482131428157850643

Factorizations

Primary (ID: 136646) 9832072561344686106228493 (proven prime)
(ID: 137082) 26053206186884530379630135444524198499856372154403704649319299774517940002049920721367709514076085735411708049040444435941042381470942045762872665614221435086068238557336174524478074202411579250654647370971961901281004487239812044190459277967093287966451470428219993286402118936441368768916617535889583460507551 (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.