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 #1100000009018817186 413 digits created 2026-07-29

Value

17950302867044838500636386197505184928269828150171931891142377135386864441718914725261722201520613530223127807441525232562705428805721146224053105834448913787604887235418287925730555380603845253395921447061202923290822519958369370650356652637576550646277155614208384710768740336367566378530543867768375327059522470258527765880121561767995833356657574431402529710325710952709849258792623945454863858775718313341253
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,028-digit prime (69 intermediate primes).

Certified number1,028-digit prime
Certificatedownload
Certificate chainshow step 43 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018817186 --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":1100000009018817186},"decimal":true,"detail":2}}'