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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 #1100000009127304715 1,927 digits created 2026-09-01

Value

8139998864621689573345416516179814355353521949278720779700430744041499524930130361172755679860784848243459502933463622186124167391334632940013436292698486840300429700116054302139965198488511068831438979814361936118236924626698992716622497431868347883467934948230590629688688306578741200128068978754651165747858851134075407955143292121106499975728291339403476238594950040350970547577738321968353743328601610927891183295577138123545224686828229296583162833124149867649680371084880371479530697137823190900527973139417753624703481558362722337585302950685747122814016688735987634829992078947918184598682380527725849448721733884245251366483602485522427411959964414891296347249023275170870923100957640995790281840970900848029453909642172187758029256028430598590356640321126405933548873863093279773878000700742448445893666192798070322482024995430949346688176323566604464335951234524865937974224181372458042621250860098471334879212714611960433395241551195524635459584796985582325066880703358931743271674672943834951135477283696286465167650052635324208843184940529023568081379127595267060529475564028755924301737116847742315320343157662227941729962581758344814874928799894512446893724845648923394884557188428672103310291942080173196380898275885532143708517907872936823328147459471490615307432667661364110201676988822082884869843319304451573220657387940209095121493212202389661416283094714337593182372028253377578229608788230891731336461227860128076360482860111913965250965444010955365160478426620924092563013948697924254114064150182225448587948696260633238374359162047344967555669568683315034376317336675241564776589733435994924292669596485905744386505653588429081028127774072072264813099320334177521163549551018197047821406146708051768179932638460067540486310524404735970165438988993898460276188690776780220176644469977300428301843166950544581582772072974456376651200728105311116860257484673407041203686194676135077530704778264761713057
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 115 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 115 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127304715 --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":1100000009127304715},"decimal":true,"detail":2}}'