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 #1100000009030657488 658 digits created 2026-08-01

Value

1223075463059134698709426890564896658597346986107845861694292062949282363399739929371657321316684318955558367943902844085355404255215027311966554465500173925335939994121397498865058478048260473465879820516364324310264103455261099583712668640156348976263640751833256951812086549464660737442140094568955524108144416168442404293755510502930833228974831441791545186525757911361999016516430251454453647986142114575737709013127233374975314564831841910904570631781676254332300675043156056721446987314577525138328160852656611332910115949762962049480750081282736879187785311422859004005153766354219025175642227178517357184830663027306352257583015943437279707867595787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 165 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 165 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030657488 --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":1100000009030657488},"decimal":true,"detail":2}}'