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 #1100000009040261274 371 digits created 2026-08-02

Value

71378792763146019324526794363621143067164426387156553529562641028367074389449590914148457535628711419878707404110084742390711526501668797035350994933550573903745596911754348414919720989722899611472468540116613265981074733593500316134351075415600840560563487109598673635708879259187141834816498260769679153877108708123563653749955355846557069547780589701697998458434142891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,260-digit prime (110 intermediate primes).

Certified number1,260-digit prime
Certificatedownload
Certificate chainshow step 80 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040261274 --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":1100000009040261274},"decimal":true,"detail":2}}'