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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 #1100000008724591832 2,062 digits created 2026-04-04

Value

2049228602845118425687522885076638068451873032960922021665995155453103501958947091607600534109104211097681493397076566807743108989790141774595327864092312682541661335852226663589145931179586211472371471197976525094544506412186347932415933425109610455206274127610043780254049824123677859557672532701782523789938385913642647557901356335529154638478231499055391409310600342520941815306675161256895713052951625579102365825619111116161506876120772341108158874874000283411586976941778192460422313771333405210509023286128634749302699518715629364047940309350147201040956756118658069948342707514625479114937328938510182343460813724763516955545810795747828001637225991954185356932892777097514725275007025394846037795929961893292781605921757283189390926588534676398585201601783781968448193538306641826467023709648549509278496041738419803010219917347992330360487612234646682005659823976920845362578571575149809251487678041418895283318589808746585103687172039000739113515523129811441527098524149215666672527590388754377773843048414586327409639431427082224153746963999674355366518685024290545631288624827935901546296945980915687547756915658590268411740798542679623817840799009589027504480658384157294384839816415613134895202977035239408020084224676685143935797410965969897152583423510787301166325630704079422981496645902669900554138243575726957584960947230853745378223149829200771734735396977012211869998019382868235705782525679104055391293650356245978119040734564081355895269871226714624744327609973796315628796208291452109327953607489769280862558077029134440617808091567628832659355268908451254271160125780717332440584035974095965747399361737015789705290465125762259136487049568863629058520599987468148894939917664335944972647800993615037304282494083991368916200524184475167290036662119280887006393880450454673403182234893303282021790962111994953573843789824568779734667901292339643508537271217410106523264300414221648264757268755966269603781506796836343054564555804237781363182232896627201232570408851013893773778812214578474641009550879086353933272251273923290622459687557
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 2,792-digit prime (204 intermediate primes).

Certified number2,792-digit prime
Certificatedownload
Certificate chainshow step 57 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008724591832 --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":1100000008724591832},"decimal":true,"detail":2}}'