factordbrpc · fdb
Sign in
>
?

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 #1100000009071048528 820 digits created 2026-08-10

Value

1936054784726757931630735299243988686975710655986674641042217828039307882157440441824637196927619385722748382598991516089234285682344838255389635454725538418025373163966842297867256892901355381232900901029565289392362433519340654563649299560927530058100095110971134997289592074616545811615658506692023270641918942103832739933305844183473178851883248885203972460872780871414411797557209061945267732656135175749427567088306907638622670458360622751597252761763259039785370423279008657054351385732131976744638802746332747748278469023980586539348571531063580476949061194397179099118974436843804984582479772472890191909741883748612913112703469100671161875982038382647144392831978678953811261919717093901575271919131293963756782751443372793859597933627961516782727094032750819568902544217323653524109104173301019145741558347087
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 143 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 143 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071048528 --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":1100000009071048528},"decimal":true,"detail":2}}'