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 #1100000009018917393 924 digits created 2026-07-29

Value

840641099873424884234007614050983920067477714570930403638358234867601857349049458923614950176744720458136193782979754660808613541801324278867923502119322888567985811292282764148892549607185049605264592869043111729541060393280231547108060603035058973748032640162203791420895292988314750841570867053076323703788710211259331944526737847722978772149427194851033427740257620590789790174197899723513687362518072812548018365313742934479263019349315249323531016879603159797616212263132631615782161476640276162965248596124808971676670741002138842965856593170851353658613992546733162801774877443957071125780223528825609075714727111429642726147353420979243293263559056150201579968815927977224986681350379729403729651731832296291473017985651863046498285056210188643169126489699827069915312057579410863940000364795861888699323933671566718651346298903909432845392331807619556393432382063444556372793405365647646897281306177864050752087437
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 10 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917393 --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":1100000009018917393},"decimal":true,"detail":2}}'