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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 #1100000004840868905 2,160 digits created 2023-10-24

Value

267802204359890102966027483418058681240543096114668779252912218066876205788082888739801728507609634620200061330738225962308499292634746441369743253221103164452676088956849235462132567595624585741014641989751058434086334207449441267586273827607499337639817909399964166006288020146171349517673438262673884442392531022025747362638771736657389101098889121050521147071384297151245243274707609525816085705257465962821238893404633409411880674912303304526310559924898805306084768926859251071157133490814643684736874335034216164715223954741699304400714782538479006300977575344762484102460228042952195145339229577561855609859528110536890910815662626515312229413357659595698498348730695050340153824371368391995202934326635276158549502308301419496267350548450727939164152270586954232538132938954727477021959171142158055222750494718882776581445707621836309327271689212463048452602207970908048174336480357456292618073137264051924575770939642144129355387756903404845392650937870981083564981842935056208816078429316319344530292468212058128291854990506619813800680963772557060303628248506382272107049530126432753587686868372560381860153113592800550619590251419264974827307311408548953703815296754819527712053027434960093862528632679682424714909740282818652806995768819175978353000477674372983534394720536370175615794201233130737705299172278957232754744087452879749833562312824496117012577500886485931773187892949452755972517746684122490682340178984509911110383055885073255253947146771760999732293781957912317430316656528738307494301564915054117210108204529640587530429085388196734543316177673490611962096555722783369260862663326153017771872934143470638886287229139836828957463025286157388146569295542703594313700770510090286962528989104086557560625014372272683172926229859915183253134853378303192987823696610590126552481312831314212065214735226130806035499729733057119320212814439417372139726916417343492701143756735214571838362403178908658408839369440134304228208592202614076489198720841844645586892492358356251603619510938872891234571693066223334950064930523488451009067367801289242259503378816095490322972327766554475595357758096205461350830446264450084736924722723387414459
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 3,473-digit prime (355 intermediate primes).

Certified number3,473-digit prime
Certificatedownload
Certificate chainshow step 126 of 355

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004840868905 --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":1100000004840868905},"decimal":true,"detail":2}}'