Factor Info

ID 165663
Size 1321 digits / 4386 bits
Status composite
Value 1265398747631490549382559068761860351593550038737239803690087850014301461681219448102747547562225020192574323055826063572456185901284724621241808826127312859244786997609556299660886025169108375479115906813971449416181729245489301539597069133192479027937239393116170125855538282581815092739557011840114819669803020609335604165603834887078850984683264234833438796619592059045485405983003249131031558117107435181483369959724971558176046007433151939536761488034264660822382877283956958167865792213340870471328069834966751768682106384854209450439786993352934641319327790993666868726989832104608659751286425446543916104550564771470112875142636723128728438862392958702970367386083646269855905694067802684597420191943702835245793932538012808304828771779048782107600724707550762592771438297855103899702604680804760354647717277641426102781810099951562914195517710920492181188396823325334565330732658657656009425202252850066213037799471773749765991781741797227919882184588664404870426642723654065683040359066488071141938517301160460137168124588461927879102812120933132967248091075089273928345305244723058222759892205562002911803188945544294698285044214704871616815135894878063250641865608719081231459572846560778662754596150223429037221020083929997536765730421329907313766248632825444951684004656411854014042552135106066150690322479

Factorizations

Primary (ID: 164431) 1423584964052368073605867 (proven prime)
(ID: 165664) 888881787588859025419708678048999779087849289117295066870330650064570290294927529498886013169215270330256399284126967048274066544970870200741494089831853145863064309955415017960831061772496940062280290255718047219340766558509598834133757735967006458362457862470125927900423869543725507660744447982331002643005824475013592958798015597625523941993247165463392285019905122177250752799884311022364718007323676066913266830402776766403451940078086459584298063743213700561085508888856342375142436791964945458786217557930452422182293750551084672971555938128358214008630652484398725386426728769312928101596360348042036976150664033739521026154794830297432706191484691450234004918668880010953648190377194030935954328636211350640560000222370923463729046081225400104745432716805132426630067801369457423659934178582568910518457071475910725414424480264236462029246327445356980349142744104604770893638301617328057760726701641615935346352747857533400519773359163317210965815770053461397067485422074725653167005374335985833014575183021788592892590835503443412078621443520715555976183187419582923589042392652479140384662117714093880100133314437895926463438718957196667097654671211950718233767768532740631059281829901214211363897123303227086140379063699540867524664423841471980546606579107676339583186759997247596237 (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.