Factor Info

ID 171151
Size 681 digits / 2261 bits
Status composite
Value 308099507149784383576550496833187712101230764029641774141394897171246171880981389656902546115456700313583506845106543969616130561418085153827073020418566377239173019497001788812363419922934180370927393295723773107346798868560054778693104235028376760201802008872064361718202070549205791808762560188196581385546256239809314981058556869531974143962073974025164126925122920831339720019265078505777627050041539908537549028713644702271365004449090844232244789248929247442685937149931652325574675739173347099419179302697391519148839271616894758277505127667280331288267830254207852310864217478612485549221953417461625565063326899469329122815842266811925461543754011546697076443698157887189

Factorizations

Primary (ID: 170254) 700290133671216490190565446887351489 (proven prime)
(ID: 171152) 439959799996890875510442550475238829464175599003610430889827501567689676797365986109656633925212037252565116880658161157716195752953164965278505087329426188782860066322506993553307397354442603053387101590615593489979108212320716095666362652997523242676848968293348768306573726523963441958160807770007276990760431616794699292443218603879803958079459862979924763313256748797236321084314017438833635012233886187503323838848980873478541163317225528605574285550145039531523130507549606594900557996174184593985239511251994488578371755784475555374051465671051422117262129928263138158397123078612058705998715060987759271923776813882758954436203262401301 (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.