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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 #1100000009040888944 1,081 digits created 2026-08-03

Value

1433443453506034351334394658638978604219416343974129729172024176009443651917195871641554591414597508127751268820263313943327533351033935187908646635536732598216752070803859321940246919823601810506625896440543332102428209053713986828664164101683594734017728651205506004539847474475421924219382126018052997108293182491246006656291656856119855866064867000495100896026726388273342109659272587483382844709386950595249593240751632905907570199437338124654996844750415771879063200267398841927997209292287020838093324572645927554977613032768968010827008411194729468130128968091035038827033964123034832750332831348488355139950224161216589450636283550152859690765991811504791404176625384846917131027441099376958732637374922374698779252518170920023815626807780426579856506397151497988302387788983135887776543667872003590225848630132153317779641740845302633935022187204209923346724529092670462174401836349826909101764303107729477757462301616055684770267617503936314943430256129491405665700521856218631283453326537484437623996554605864452388674318102980177069909665930932442531424128866198583711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 18 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040888944 --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":1100000009040888944},"decimal":true,"detail":2}}'