Factor Info

ID 21436
Size 584 digits / 1939 bits
Status composite
Value 27948313990967484864720664641941529095845941761145656738689307383641071204985928253970843772315147419463689706874406060449768611531559252512957972626119449025442284422710599533286687734622706915739385347320727342775406693127325249922024452025078886556470259780278634408592359796744731741892484430761755018591211503596525720507439271027584533691404230262163153271331848362194168420483190339956855589770888057848934630399019086194833246961997980490069135220762749890243285290873259946657255578408572926735382597987879295867342151186056052525567494018551010166562882574345081818696326411

Factorizations

Primary (ID: 29902) 171907962912534586295642929255323375839 (proven prime)
(ID: 29903) 162577192571279355290019581699984161643766374125712861043246162703695199422327092187029836545872364137473686975415600582708988692514283342777843011436123942382654627764747446551186906464231532765224903096821555285810117850727714430193404421620533338265205948076222537667580595827183515082566136469303165400931718448957651100478626086976877993226631766879993396247334159558015698180254888520845528133711457948589606007888948444141043226350000210273297935481684978372841328828020739100077246470107233312180917108647117287730774421187872837335057749 (proven prime)

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.