Factor Info

ID 20981
Size 366 digits / 1215 bits
Status composite
Value 531476512937807595776573897527696216387068134249354299426611936200028633144455543081885190888718669542001711521003053382859333552156377364282013569844256368550371078015253947417443704036292933296148906452536632572164363129053692589714168028624165438046851617163085167165921874884232847361713703199815072028593479883512165418802855595247945462022338006758695848907943

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 20982) 3075183940153316338816064216542269351281940094563836582601622330120182472428349011035827957540500640887518132663512012131228617557352115001911416353311498981465023192221076684443128058978495427384799563099165500366604091593353493690429763376596119475030652956845917528135378631574390382813163630338368814992846232419886358243663548378083532348273 (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.