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 #1100000009040950561 657 digits created 2026-08-03

Value

347579468988842826855579098684491000573925439961787449712600010872534476464401862662690577208682192743662108825217577616814041666501832456585191853943147455542779737632323777550337233528811455401385078369956575640534299012371753062549128700711805149474053901828166649292896417888432087805844811238043029888261350123292907441270908356263640692754756941784360725549688294451715537609378483296056776564100368185032264194638535959562807072134532114859706020742603442336364683408318274821895703385260153236185553249493727053041390452905545280007378173673958489118464245491208401983516302230172738796517101569251631294849820177019212400866982656525617214680665693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,289-digit prime (107 intermediate primes).

Certified number1,289-digit prime
Certificatedownload
Certificate chainshow step 50 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040950561 --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":1100000009040950561},"decimal":true,"detail":2}}'