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 #1100000009030657541 387 digits created 2026-08-01

Value

125020447369051308851807053571588438510188592198582458426682038301930737865470464854535632362357381370396856386347304724341560486732254431311107786447518296099664734054506583727761738663614215812972441953847808746769254818424277239845776405983758119614515475235613803210407429945847904677528370085281440554136583269859397551864037283562595309181929137766786078481128015140312594056979811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 186 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 186 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030657541 --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":1100000009030657541},"decimal":true,"detail":2}}'