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 #1100000009044564521 631 digits created 2026-08-04

Value

7026905083396272762974155187240225999492058619021836784908741663298298187925649564932269525854778902401415612404822097053370964063405313185161036570772416023797603068471020914810132859527056775660953060556922326592885951528199233599322479944495124532474584399611995289303994328197217700344770306316228930267754335216251011950120888356216259962867207208746252363148034633645361364442006246852379135280517369743219376602718985979082444473221434668784941524226368998579156611233288576737366795607318075889631281782537399361532672865273354425869702366215538040400918134696541012546232429389845742761742004838616374727223772183907527969
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 68 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564521 --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":1100000009044564521},"decimal":true,"detail":2}}'