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 #1100000009044564497 652 digits created 2026-08-04

Value

1378872753444095109039837316537640082580620236647135077359124301765770067834583231358005923855069236589373571382844216588225421871387680385544474132682333467732591215927261599963200611959023101828105752288006394994592100878560641304145359279242289583694786804450058108016283765890259615451844871517845231658665402570766553092000910348310808479522391454111778254064996589937108194893810268766075045054877546841319869597013210612853701574443192427078194772096902419547328983723518314684149467777006078667409924046812386210255217356907984762817545994910011575470601098242572814736203267792559726288566149819535924399301560843995367198783792853960982346347
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 66 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564497 --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":1100000009044564497},"decimal":true,"detail":2}}'