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 #1100000009122751609 726 digits created 2026-08-30

Value

931192911015285003879927499681875126875354938724301009892850426751050074771086858217770322049853279806068119513809993588260305443474858814469903590128826792477925342901769902025787280201778530151147422166744436989990009208749311622414493689164817316345562129404287662351368495257871263019811722887357266217423628373404479102476021857305566634100454035273917858462986849607615658800131500360410496990320863757614293964570778709527099767318023550312115168162317059908202845500435570911176032988050163840380148165373560800474680508180795846212158107047068309082326967474331377497249401967643799601196851469114750559747479343657429009173598411412359690309176637788726932731391312153761859880393009217718951895066699396500903629759
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 154 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 154 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751609 --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":1100000009122751609},"decimal":true,"detail":2}}'