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 #1100000009078966670 372 digits created 2026-08-12

Value

567743605565883711840932232930923857119659787653680248904385394815742492781770395192960558693361235035961490655414091148776027563745290683021305883820132035022082909912407127935623605298722099558943172351080962534695654436691225104607130183096705946916446413502787575346555973813782233568972026416632602423936094768841613873473931412695428981813835363792229579873483326061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 126 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966670 --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":1100000009078966670},"decimal":true,"detail":2}}'