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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 #1100000004880895526 2,198 digits created 2023-10-25

Value

31567608687887335282690843356592821864772692408866004686596049823058242692304019040752718930567165962438600020209282605168937481527626907976519792818369416364386461931144182977706100031766240424747889836316837702893611728214589417176944402403008858866508792332165865235960979090286982971714534801791350576375070851293794117442589047032382705420572247567202447509294744620969545464045807622082950521038664409083847432261796405798390238253123791396406565059594718476407373876785707539893941447945123670607464247488309903003315498884139029586737215536824833865794438213854993074357291413881179700621440167675601747831066947823959788988320161161265061887740697973230543887078971678322017952957408130851686222605618801392568145388447704970699517097087533972940696738071244783052596355411991953589929988713068053201793568164138127463054689101417027228602746138629300962887082080694422690072537379405755693220922028756926285979659605535915110769078205286602916177795754380853213605399806627791100308760371553721689265991163714444813506458872209417331170938961644753116098440350458983682863756377698676394037080088903434806235791137136042449941519603500638903671632380229678082016826713738501769476295488121067086726910212780944651802870883117593313337137596937366332352057705836580427142677378763693475369286028211884842634477922233544875390351804300159254011948356284642059799675477795380450896109282084213383513113810577073869808894067704619241807376472419907581875198528990387304341858243003791676001209982763853255450530930904877302309857121081605727699661250521596861513744072345183954430093113309564686045253102538101969584646348137878426155065095940506647617015071011671918649979584349355136410716330791300323636245193228908763752143852407577125997922239032665517969514117443538584464210696892964187582061165898806624823861369875816399995596504375872859711405008371614504304624703560245926308778898829261384815643813570865085306131825055554526194757295620922090882142106514229099987479278219814463339195805018110893122964254355055222624380948619295122895492239858806526506027760965322580118306133573694184569142324688616653240986445969668282989353673335283878222120307201343392196356770513090187671
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,364-digit prime (312 intermediate primes).

Certified number2,364-digit prime
Certificatedownload
Certificate chainshow step 24 of 312

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880895526 --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":1100000004880895526},"decimal":true,"detail":2}}'