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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 #1100000009056498252 2,023 digits created 2026-08-08

Value

1036700966140546914925493238064599685642888296677426031180412467371294435796363860016227716772990816673464744135801939948084574765652082615449977362759785117921727959249149411782564798255242452594949152532600273584691170830360285143610256609363784296226605361732086775323774858179667802244405854115647919519801212399179530450283530914366171991326115110479773504167460245121784820765840624570342404142810228563229360695977159268447510683837053655000898047295988927646851526703475011132137812014521953259634088411573616374956068999252719468170794066235971596677358628447960050499246281951655679835916424041384357965005512330184904539370855864925989366018291841692626209658627001875661270867844832028254059056421371322514288184884465279153200419266815572438134481224481946184036670340597371773791755297330507109647742631162882188882711940353069580382318025250868067405656332108307547267564833207184508665163900749782261514500919903848727039412552072724854791607346960832037011446493506775360215723078101957849819006530386212223836470062391317582674605859874018015403793588884360635978125419688647425657568462199359676383201753112841052892570218601182865498881374089686822176273587334217276869976532633709795477478528524479826001926154321069025693849509821342919555059457572445712905368892533304499111664163242947196569056104995887344278138360270293162008170439106487010707013005296344157536939372417018616934381767158874554373427293012860009381658271693509031777766374277014433576343454819724093899680629708110271694819591438496860780426417832204539543433308619157618257409373625890246808290575260119910311904168656921429705520889922446633225296864592914285507339376637417476633622520311923476840819084498799154162948769122266463916755092243439892687772259572903122278260626373150479354976613494635154707180121843896442490939321805481357477496048585050310102240077815417027382602053739746855067612183119870101936143932659347888457252069849785260308566282698583332158742784712182125009832770692601617546889903853391973284151797
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 20 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056498252 --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":1100000009056498252},"decimal":true,"detail":2}}'