factordbrpc · fdb
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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 #1100000009028234172 998 digits created 2026-07-31

Value

27265624149827855746842109450229187598461521867728521171077250318021189899013254279317264058954423224666086786600213763745831981527624601590136417975273840459808974241580205738461253942484601092107843116580196915612485328623882448871781428831386387851122313858193695366752933579312067667271842123888809063074046461480672247636068221109645564746163018277827159281266772781457794472105054337502832787990966390714653944848572066381598398784186303774927713402851892118607798630468519341062180629394097595284078794852206644351451863287544857920918947480589938721806158547443145408930969896189682646652947490986638852782295247574073091649890381772785800497932866457603071289881306592213763219262252981411251847427759743522894606723138467441932869383331645278937679608204164652041117024530775802549009719212925301709889163503134836638410313823937214006411839312462671269279722058913906315870287919338977899067477941410872299782869106709410683405786198953517064276963500530840808242771946380660169718362361
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,199-digit prime (99 intermediate primes).

Certified number1,199-digit prime
Certificatedownload
Certificate chainshow step 17 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028234172 --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":1100000009028234172},"decimal":true,"detail":2}}'