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 #1100000009036868726 420 digits created 2026-08-02

Value

125411716101020957474764429101267364706012048246238173061158064865907013351185469669487944862049213053720963603674878821817362307949415960961911773903772557091612633297070127878954671200165352265189142262556500788235312816528038865137648301245913586737057879235529304881737204807646550640013073052111104662638758446386796600585271377505533453873813090273116162070945806943015563308176520217571756414879985888501783266139
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,239-digit prime (98 intermediate primes).

Certified number1,239-digit prime
Certificatedownload
Certificate chainshow step 70 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036868726 --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":1100000009036868726},"decimal":true,"detail":2}}'