Factor Info

ID 128487
Size 840 digits / 2789 bits
Status composite
Value 287312185928421012761662629931405559862883605025840078116298276485427395739401415585635740772483527121816193552638256067772274058041614018184052819370136526557035365796008716138113641559676036099082783219615100192034950812879039274050246461174207011358568640796105704648779959315458482317490894437943151361436593538830749594419599042518341581466842457591334461503201464451855745508412022725607516896465944212133609182734560597118403094055519524895781264082364058992287318611024646867696830151976286887853910665726457337595038956541690505929740254001234593947593569156631924983644539662626080875375591540517966095606112008026842126665943028361553349319486329045775480667984893004844837956581155179414890989985665536804276770454716713544502735073318448972568006955436168479805462287035710358180699929054267705333301269150944952507089010389031

Factorizations

Primary (ID: 10137) 140697980908077589233278042279275046934888854030227156971398934556667243000028058830907928281276609702845719760305352937162435631 (proven prime)
(ID: 128489) 2042049104571948970312104797713982775008103689613321189454563707292526225347846803412335357820503424413417406863268924908557986019723482718595265345682508039054212871447687055484130699066050523749150200798180147282788838759416564633292896414741593204857189367271003989724091842305565169444965267991352035824841639344098893522759218654331056569331400657847756706367455319375810161554331788842709062253569260684434448968992625605494082307125271196177961538879169872153559272463382073231100059970463387553920793527853018327591579026559600098950436205971305435707044322273718732033131448430577874034410770478688006414247151623376201179346743035800772897129850261142786557661288265156964872083871283321432092396971401 (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.