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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 #1100000008766976882 1,839 digits created 2026-04-21

Value

419115553642310179209443705237908935083356249160807607284912087540934476593687452979656537130510924712255622430991239225655766014985025228526067413713836344942547407274391132152011929343472391894441863824164730829149605723269962675565441603643026371079955667422098929266890743140090088113797365110457822932446312473003954283045364041450306768608330769031305028467996806361053834617979616792012323629514194324355369596637554531728979984815785637062617093285326758150549020374061941556652281478372410621575573206410826511550124066402832712896334114932791172961564829577831267155356758923589726022066153639774124296192144459787697455589740915798451844558038311801840579841916326266658209188636554769104036093903225598558490047499238147848022869468754066968162535983843584294921344998916972992827670835810375338546269383746283709796106173516951883884256468651170293042892426091629952617418369293143355082267840925649282442224990294302999595481424228683311489317421273630464814591650237497440772370136496116726315601637464026201290660057984069163107658046114389107335847703071153986333339328883595456770467918296302665965187062090034678791702615182569295512571495800422230996681074982202476862871932413685382954582984037032054135136700834656954662697621069081670578997143576046377614320427861685153067312392986169887631098541171064394919883433934351595467961295043882982953202043088933956215627328598597135680447818574990859398941829393743650961542198732661932458744843232429581330022335446968392759522717792626255980743600297281903864918576823338470907005289701791949671062584128753928054527658724112674544856675222034888946849026982346028374707836490915219516785211032472507427257098771100495267599135814266657394036001820258008899752243558483435129899232452257226785204004425635356992701455041127032226440301260409080606396088598936905230597
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 89 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976882 --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":1100000008766976882},"decimal":true,"detail":2}}'