Factor Info

ID 153600
Size 750 digits / 2491 bits
Status composite
Value 681396621722544374611568274058472493098112766411601405703298784211327448319287901344332694465378347874580371859076358595961414001770224306168293234172289937912381793622692962677299839616495446353420470869755472975885499318177239136112003470029496020715010271017615363697985106179688102539002286250624774733216273179931109392289124999457256700931069168369485405472890334578446145933914702977844827106396847163139929497520720826598966525250012414858464204707080527120550214865987726591520117214221361263346676296832681368699390123373830822657935181972794942982265456638443458606705351348183917362770265441102293068607428990679817315260579780673773514069674661789753876413577312979684621278171481970958961826568969478024119210718974840609439814939563611

Factorizations

Primary (ID: 152139) 400650121113389033862431 (proven prime)
(ID: 153601) 1700727357398453257156890433000136087791676652272269545435143899141019405908682084721058250515798244583221452794961202980725806814015219492500685784684754064540198599940527962967023533335948662775022386631444563613818404242928004505393072777608596703687740280586899649454907676249314529586202128446687393314294568153462576712350547666992032300774573913302988642469727500157203783806600822816164541525639671049772878461828624095333838879949537079811153001887876260850609493896342407684790023910749730291629541184344729186872028198069422555264573951479589543684735593764181449029273558962881302990384587632074848068253377336383496476598121203210244809615006305535159361000077028420502963565558743113179372955840835603223430355781 (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.