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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 #1100000009064579100 2,558 digits created 2026-08-09

Value

55116080976276495248186784170203474851839288314476625009665668894915281820795370024583284153015176344981026312022953360854499983488358232019780107362504554890836171481965116709984150099821982371768620407139409423967529686966457313020060855214910998447695642638878498236678534808524836272373873235678733675026760711429812147965820365780669710375085297897563410737520222197875741721431490870960134233032425296530992108225400094348292835951676552232996457557167244718301881545044776213331534326517386866946803961886211685901302934171242429661657644017829635583772274809202030229067789190581071130314286861342730383505776164835805132359399090301321927392780859144070625300282251228803828364586233823639394818042014624968792164775879181384748357838876842312429360468095555763152546523626727687386034842239359533599469140764248207654700313150766591845942323411728663747851004313240849907329298907779121760836009592325565900063958341116776107910443689743511857525632025161318961200670488638209283842279672828985615394517382056569052253074185905828934041573278708460192671250330322776948462188161466059077289508858116886454909532478743171877036570666210587038520730335414974869198300855265568776982341082912757637845481532885825267354183889857790246305441493765760398924553851406029385080481210335705516539646684525051049043613792247855773074379678361973050911914657977520836292639247429986751646349013086932656264007531508494757883128330642807328720898093545002248583135747381513759919533713575768473544487576302960212353746826021723583306999768037671019505820808749553018654513572004859547075283700974151669883077389206427305271717547384276387899622106390010952838984570114280724742486488653362979699457053462519632453982636033624364667141943559762101080177382277345475729551169965749972959585165325907848609473067987902282432246143616750536847441452005618666573834738624472243675123666979644011877388387617396312946052857001168431147931219215825509279950155130358428519590558877520448561580319912724896556351263589522455644782038609505353303607611385909679335032433534038938676085542755423732162951099461921097403614306605463146642219943164713106975421879352139861238612829926817304845947889387463062205830621964661023305982319824896406590929697743778092712689120965701754884200513162191466097580761122777168961549945713451343289201370551078893124311012830315484725510211796488105517343205008941838660960886963451356817680767037517604684023045090904521017897794335681710807177028091852921125397341093819967534928837178517171718298944132925882069159316881220594871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 2 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064579100 --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":1100000009064579100},"decimal":true,"detail":2}}'