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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 #1100000009048296619 1,199 digits created 2026-08-05

Value

26569494206477084572058374590574990979024815378171979513256714493744321818063609746046852614790453848430645422563835818456627132032840809550099691016934724732418982769310765667677559936208697267288297762067959700766607388275851734666195948187685640932645518581651170045283210041657432929224126553356820356059141026570992612852573656181642649336974718697769996878045765967344018400022427122113021770960279901934904543814704428625022674343872311143437842647296362410703463391747357115079704255823000168828978220802323678000604772894159536902391068155758996653061756381515847981966807728785363650379902663068821100841385940401039734233551895872793229426695815698639950561554276105435736055648074036668520334564133945138133360236261931153457765829280667967443952699710984404955499144989058602250311475257689952033625906212881709330576161027323473697467262931873695472751469309140925318011743572550327787399415077941803817295966324672734271015395901535933317824890621377953305914589552445515220050584101814188736600771818265959094213661550586500120492571791681288408088215331705819879609674879732935607318476660007273859258222079950173191173253215479759268985208139529542071582641752154444699448550470281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,484-digit prime (116 intermediate primes).

Certified number1,484-digit prime
Certificatedownload
Certificate chainshow step 20 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048296619 --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":1100000009048296619},"decimal":true,"detail":2}}'