Factor Info

ID 80942
Size 789 digits / 2621 bits
Status composite
Value 644980909907237705604752047970660847826923404923090616417545470158307817864318876631445394919133113158917125332324264586929939212150796789115615248788607955155653727954198741708991398242842055354616940403964836209383306052585941465268538351963790952832508866443452186147693159360501539827961871243875470532676900834190469054976852151167722522454218599650372180478629211193243492338493474921967517472492149171547388139281218707409780858581822244631575526512932421584211394994624330537309992753990854123437269927507725815085588884627845062096217348797876441565836295290436251962271311798831355421975493765337045001929943278839729296369242775126358174781597609585246606511605879929865376264614771101391910895438530092105846507249110362740662647550893727513414444451051743630826758890269747509

Factorizations

Primary (ID: 78813) 15043532308043747640957387828119675278947965599767099278649492514855329785869096100189691549592579669 (proven prime)
(ID: 80943) 42874299512912114400157517908487783591085608785672508884291636571523776345576771811486621982800091910057100892727073139615134630855105889434648101174882132551883237895097031762294884208865292819413029574910209095013078197001330081841548364033627050685485145548052865822539293232229463590572369828703520255463614777935213568113640375487723623156764859586432695258745253281503375954721081463140204623779648356023317114980649671159718435086828820621896432525069506759424426470288927705703463629789217319456992078039745438401453059713822632596374383796105789540591427181341829470162718842804558063184709353667960730594998383256867682465381762769370977847247593141684281906871160490410706923361 (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.