factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008588856205 5,207 digits created 2026-01-06

Value

18867435853684930685726857004495980676991697028785168414341732329175173199596410394603624298341788550053800242658254789657528163545773891895273682527308258028229892312343959687911965549905048664666971335938066013601418753480172449260024721686620997684316737297126251246088005129741247286381996661712546832021521774668276115579819401784740381673278053434119164904513458586155850130653229723901724381235618473732482645519283007782863105274903396503220045310192846153548261739986626136870486352799074283335319700493404429435711165361475580948439971816755083185815482333922880593527046033216975040321055885703967906498951515425615946302942277829123994414661785427136758570577013703313333444089583157405400683553147306818274075410865300660244665759372499622946043479342423331229957523784745881675237224422763392130708773166052110975278240143987330175535078974744610717066300644759890591400782801213334866696131074748328936599751724412888230198882301439395298952083721649683439737651452892779018110926163045978506833103653285411235709734984794374008952304749302520313090079744856484798848505419825124588950070198266958168302586729748396109842463993243967681230154898203307701311740950853167481748418716829530351857815876750558018908255855661978490511533199212318085711221065478038795216433598392864576952698642010199126780493361205566035477673717631657736131930743226703219983268512902192886637714138984343804817460926378833799392191102261494975900181910806751824168926036317104618047296262572593524839067884838636574851620800744416147148166202384832931098414913076868471319718995812797871583970114686957483908741399438910062052130760603868486431451660107734315004972876871590890065414810825313812693899548771778129477348404073082420914139008849296329829603158081467683077640196641385887540714657134354773046913274785008992114297307799494582525357886889226952151998187162786022486151108445560608878216746838975544837631956623960590319832793510890146965897038365162809754584172095571184473913956829610667089497418701763754098847286066813547410670919265884979587695666511152081084898906182906176179409048696204882790054938013982238445007394184581989229865317287025802063374926387511890980127963764320936159399798151425727050016507902388908157461754203419926033064989307737769416321970973012181669563384926889920555409759132559312126941926171474623472593204162336469581139940314589595064430726901004043011476436226123847543065247340557555047126298112596532138842186324018245108770027864254539389439820778247764114046653498474824843978751105842004417439302092843068256053845965094746813227152772410831906617134604076837059389937907278493360976022186437213999992054783362809894531077936552519607005042644423929690151358011334690074601440193326146103660569186053480943710663089012759793791912897051328792767046030996924395131858572119278227488341049395007396529275758457918635911761430689017631785834164394786173300346953592714123909897710451180155472439260863964117752736787898835752983390439555362564380419938830034509667380798643737361054475670905725167546838230744266845052103786008873500212248100468965779639727845225759378665624666727977623834279570184145657978395492989743330807285696124259259266422384691791084346182647092830203777403513830189061143327236880230395683650800527462061119967991456514639996009744986333510485970385377105649266005730146412133654342652164552627116930641746894589995904452444809273626431814381441013585821367815728682956943015054983173851497459702191084774214955595713243392487757811783745385341543946840809482017747326711734747744532921202330058155873805557954318745145487117019778110877645891849971026183209353179298931344397148442262067177285772217833310668552498292869305090756398324843036777844508895274244485090435614450708901641908206080380539829953940683455292421629262477162483828861205119905130880927802144485093705879449275687775025498024790757829248532710782431189035079536771562981638257419763265505907807755280579519266569691047214472402795142287257048905071096318162941384472273956671148217774471153966665373223571497540706596948311187397077219151379265819432904181117720815298338156330910025910848809783917524070406710323888642925876123008762610365312183816921938429554934449756443955792734534652409839768235109889184731178124391198352384461095757612194136921318079946771256180909329136717399709300066111858089770310011327614669886833406216368254819917983622491060957236526357252016756320770470680663397090548870895574310292129841285814789354571853233078749938953397780373770874312654129184423895927538113004370733983303867723477570228189498157751852705369719640582274945850983968095308136127875222364827963307364563652627984307440199493282393493054718231107494028657681638559779524523060335722922024527754225973826430508226899202297943816724996560512969139857163202040812718921879476272960830540932549157478383866804541459074821667609063233604518231540250608531067812413524565997333601494481601061980384335088268581706662336916359102393726148572254379644215715555617231459538338213350038074060266492559496636397498468127286622658736517577412937526177405605090049488092277764370254812454430121979706161144691111603022911654822289256321779983347051638543887392751515959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 5,460-digit prime (330 intermediate primes).

Certified number5,460-digit prime
Certificatedownload
Certificate chainshow step 20 of 330

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008588856205 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008588856205},"decimal":true,"detail":2}}'