Factor Info

ID 13537
Size 391 digits / 1299 bits
Status composite
Value 7787881883574590046328190345864747735287598713614036403810126344590001431655832351301729678022398398711890721525495652483160085157989830156010673667702957510424441401103655872287166051955179728849159471678656595172559899432765939313727763196609466805306479659241553208433460518295922306340827459562081130840247997717679412861703646576770495822080732013056618460998776360026606465622941314353

Factorizations

Primary (ID: 11571) 3087473940212185789456959767328406647818323751575631706069393139992405721825272733020818593 (proven prime)
(ID: 13538) 2522412183676397289947315371238634719015144418016579010551658891669540105797783765057542450875861209297007470509489012135707126681446721548381950072902263129889858480391998198157360480503723184862638640832336917649440106156007674671651705679955139754972070679690557360245334109448741303979833521522321 (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.