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 #1100000009040811391 1,136 digits created 2026-08-03

Value

13083536459396881951736731216419278534157480101029202137205327585520654917847588580490942228861820846039609344024333038839524699289019399173817697290726185017789728462706425772374131517077402579335416227108095233547517469261776321104943977819553823795860960076123190923904422537833325317040870784403942032528659768460498821489278617652287971110861812899786553278764713654561960084237289497751494864453282981894536343673878764512100324999275236101262919304648156287333784381398913308686252879689033317924051110475010642911829098797703658192322656688486901558289999779178629544921843484522107039980599525744921194798850431717085299082369219812541073367669294070666318499798507443237877291333327298344166968173970853064935918046954451407922619869043126174781456894632999823903820171265457364344297202425446854437771430980536310113721176066959136959850694237844152894713535183800387222132747802031720234324567552377272836281316434785598827262585973413909227393024524067676523914726413549062323360577102847240878405936344487486783327516500541017058911603744565452934207801474018260909723571068005393536259012904336235146787751184665734963343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,282-digit prime (105 intermediate primes).

Certified number1,282-digit prime
Certificatedownload
Certificate chainshow step 14 of 105

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040811391 --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":1100000009040811391},"decimal":true,"detail":2}}'