Factor Info

ID 155398
Size 282 digits / 937 bits
Status composite
Value 649963155317739418816017118142152599679817784742036995389606745981695293976080660329489934867896821979027630475157864016880624609581036826429561200286326520368179867657214207417500223547510321689107710827396487283545856642649664337145992035332566703110676890829228567251572080745793

Factorizations

Primary (ID: 189352) 5591292875270001819199729648513 (proven prime)
(ID: 189353) 116245592891850240855298854547332087900181488293011292756181516079912446239689183383971059618717063053322535416035161395694808902192976726222504254300554545096366708000496349963288665298590311785214624969178896404924368602591991717094033049295435610561 (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.