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 #1100000009044288707 359 digits created 2026-08-04

Value

10843858630670872971154413145128436839540369889057833480988718483204907549269783372561100284423573331716207098956907835605589978216653102131289052753167242050255174295131818745022414192438218622453652030753315782144558561432162895156438406820560324774435111804733159753105844219187774818079531001810296258480357142975748259807410839377238631209806152947316471
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 1,389-digit prime (110 intermediate primes).

Certified number1,389-digit prime
Certificatedownload
Certificate chainshow step 86 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044288707 --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":1100000009044288707},"decimal":true,"detail":2}}'