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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 #1100000008804977871 4,654 digits created 2026-05-13

Value

2993648777390680139418420020927556608848841885639617119059791815655539787892411569646054141495849217690955993067665888131024472798194664909247416095804053976089788170857117991573110605795068223512394689117357750200671357323030009454682733734965091006130048564446552541574135686358763274052096829511090408573005422648905882464071958749701204353815547308670765160017791442363020786266307591558635893999132521845764904427105564407423507928727965400673803932891363873253776612320590014776111956781308545793438865396285986037887842315806902714519806124816163282947569710870031330420470583276323944809728161189390189409533443364040822982250123648118571969178530031824340741136646823434402427209605801493746121563668390957175232167666975706161208022461832097353329198992097601153784332312052173591960118867634051160200460578238375113018010141759884012982453351241999747924821934511001966012149397879395699224076025949589523739459084269126062313199833846735635076405981665567607816827347944114902617251165417424469995800737271954878563118652301110696935070914942417706240237499254656890967549709098418778534984390340928685349945872986348321993885462865911276494261848726894592655340138656994013707584710054413851421375198769491930360053449554333654930922696426459630967579286693029197709834889344245590589547131345640464665628068007159011339143423073923060051233141582856116846751317599251851398113043082018230068845066903752070293072853571902662215833961438078511785181031596361082422614966354902441015920001603117499427348692123792604424568236481266526318950473252384062644822224752819744720137701267612693819126560797935208757389072593506131808497031556310915984885596305195819853529755741055759593906365575745872723961276510335519555468906979212922553106353560660214675361933265891248607578386848989960701519255745641875537571409750966197411221551214768094070968974593097691034014919039002597459244152321807755741298398701923759718895236960132077368370253922411544672402497050872131271701379889101650212592284809890459896485790174762312256098135159081130041250960794399067770576413487634554413511679687257615208724780576049317916594741413247488849352441995715719418620125230364049836036875725393218088038821702963064570935928068989442217445482515889117606585910216537594617614970073458502767627803369624079452279835080805733739829319425608518627488041708479260313626961868952660631333963092579916561973361629583984544822719473884166636457341081276895206563770080632345818018127384683974688379603084341293253589515104289001759831111531080181398122790017614437191530267481490798951088774868658797115309245068856723204788414906970864538089140944292822564692674556072354382911770754469331141372012529334974390311723850800004584219789299628103473295666536599829816861640321148650713854944981117254025671450646239362447610570150668453172058398920208640165894284669042215769609143427449620203207094438057920102442576011126509177813361045323979420870988312264082359396744560653253650473371011001829883391977132293352846473916471494631341650459178152109625014703597800924470590821431160911296875269946303460204685235300767556552483444044523403408403944444987152626830796085292896157137017267925703863960180144276774646944492249546259478789897336364747937186916523343694330866014857096127682048598503598743959040462347478293679236046582413913922155397548649392024312196289088749110742462549382752110500575336166250423392321572815109963720502843477324808555461826188467641813153919005203979679844710395542884201229333047664984600251363769158140211133554142060929054761413911240116600683717320594476297103853677060473212636498386818881018633566552654776624108268303996856202887528496155087861508414307295064033873101463037712835946306805438193688322537270967327302497231201450170419779812190020081299163254363455477284958477647270566562396662126112833722607588785167881894187229257319895315498729301808196408109522086572814061678639920256441466875512694991881546047909963693360168504147814014218114815917690227534400896531734748069067441483614946362120141193285405374419806134400046725812506798866932667459883811379850565092332424745054711135412008770571051479879390317173530850256792174907188801283066335317376414405883212012069492179695214498839619138300672753625895336577117841624879879245765660741763938284522054993351203911082793286731911764032703290844917936221039106654653310048519504119945442967880013973554257212539137810003823917512709215654119051465695055348079462404666326708888542423752028948645511739782668657026857475728888323107143745001570403765965376225518250020319926197682230160962101449899019080482376944919576225894610889387901345495915096460329441
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 4,708-digit prime (287 intermediate primes).

Certified number4,708-digit prime
Certificatedownload
Certificate chainshow step 4 of 287

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804977871 --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":1100000008804977871},"decimal":true,"detail":2}}'