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 #1100000009044288569 655 digits created 2026-08-04

Value

7189295658228084947171768990148327076734781141559270307675633209189716876273242744558518526375163979745543681044068735605102836215552178904655404305565603996154237067839583503160409684969597798269427412229091295000248911061894870163326824708574853623003379043234389078405289803062425015428045313916232377981860807152491215070153710473627575915621239029114999329289603709218533427084720131504174829682769555366684002871815875030901389883201813827976422165977842324720811726352953347315192861960377103025757999576627061154546993449624110769254125826004105054502884986815947096522367667291576415602398513071938255043925573032466377456611985763964445257588487
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,389-digit prime (110 intermediate primes).

Certified number1,389-digit prime
Certificatedownload
Certificate chainshow step 63 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044288569 --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":1100000009044288569},"decimal":true,"detail":2}}'