Factor Info

ID 197409
Size 660 digits / 2192 bits
Status composite
Value 668962701062136386052669000060283359424410039295524699307113540903216399556226645388164530773769885506780517018655867059644634985024481241962556625230009202318176860634665394680458826661811179728228608672999667978520894202367736566921319531009094408921973208895225801379511646289997265112534620981672196690361214319923209530450806309879448034768069512560492415081034629268399933481413691219185780824426426643190459595842038409499215219105815103523332646545175515041077403765324492166874759946891638436349863973751031566341808381054576306115132921870149018637660432269285382748180977564991897275198703020660321231094344794507520733002719286852193944645876392901

Factorizations

Primary (ID: 17610) 4574019968528193151507289820357397392422853604263002266533924082029664173716659577557941705772126729033 (proven prime)
(ID: 197410) 146252684873475112803212328624539567311553192913099100930658460449183301306365421753137009111980243737290854196713824918022849322100306329322096818336201525410647252110422428994717823539913174871033995381563616267555839506427192082901568533404652438735426584200842864871168751917712050894650060249207306273712335896308499077598362243205503735721138364249658851372718521569296536098959272765780797987107598198459258012493613100094488667306427588302112866657586335862700168716100529763229996833069437547769071709886310950969327141158146765213069781121476259997 (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.