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 #1100000009018931228 654 digits created 2026-07-29

Value

553245967793095662070143512894775271824661917329114018382997776031765981289253794081034882565102636772548217248549973643738610055662449095845103524745122824224042774792958066881573719739613692155190772722643457276319468767974313952842602474111572325600962213627456496246664152604670132270190607909850164341414931474112643138018309776118136075155528934714816518939110362108929516750216198733578773842638885497601916760597950885145688945450515473026934768042269877100398750173739154835448749446285242062856234170312115812178671692226774372852197174782418992193055836605512123523203119460251923270912120419786225586497228397414692750621427651129833032011141
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,054-digit prime (70 intermediate primes).

Certified number1,054-digit prime
Certificatedownload
Certificate chainshow step 29 of 70

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018931228 --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":1100000009018931228},"decimal":true,"detail":2}}'