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 #1100000008942580925 570 digits created 2026-07-06

Value

746579761765274546528504113187616738262383736870334698834171115312943203954875533997824460701175713674688306865844752884186778464342926718402554582025398568069650937791920939768384825906493803312558837937996418403194308810738774108113525873105248884602594766336207880075042361547301861469884838856648911619846861345996630563777789323877329146984577362465585367461044723298953243799310801242751245702342264209444326502196607232190199219543858434691325507002375721798210128640825600596960242379171570830894609471901779981778959245576936589758868301644490073349229289119209
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 171 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 171 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580925 --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":1100000008942580925},"decimal":true,"detail":2}}'