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 #1100000009041795380 408 digits created 2026-08-03

Value

889432640651436860202813038007083867027318854103471265578313726869117532958005510047669780239177276356121861944770439473509196181118091494591585527927114024104327448285944052448109892025440273198286669227168740674455676457737734365703701043583548134847685218186630815605902066686125523073779122718720296836340989433807505065080312967964392805780954958772105240852398245360967493302123552671388426809489254271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,302-digit prime (114 intermediate primes).

Certified number1,302-digit prime
Certificatedownload
Certificate chainshow step 82 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041795380 --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":1100000009041795380},"decimal":true,"detail":2}}'