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 #1100000009028337891 844 digits created 2026-07-31

Value

1036586931188037281897341746586247083891485151182032444444318767447021522405906070878845164282336699614782551027865498490784621918350278447571962385636560901395338933415528017547870477869188889825453955159557570659368444112620772058661368571788960248225038457577311492258387346086227470445009687611424718623248679668899634092924439259390516293653391751543968020009656671296775139334822660130228912107579047323526224555431027589768419615269896236544169467409705522387626084850900560233518173928343468522523176277919410472198720325576913186188714282862287647247011123837295642317783986457533311020070699679989815469402011578730856761484751529005689071576997098443800685650276979766674813750629155326017296707140321706060878289540797492526653065621732546455749712227602003596905236901489948966937986530477214076930576115373335831334270619197390819
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,203-digit prime (96 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 31 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028337891 --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":1100000009028337891},"decimal":true,"detail":2}}'