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 #1100000009061824221 557 digits created 2026-08-09

Value

26803391750471330406393247264917529526573596055556894811579681949641359105452985361848887178267896228104611994625603211670951120875296629434826115320497293864365317914254794989384661949225521609636796362564261893204174670592048342882436601468125308852208638264526602141285133347567294021561816074717355498860344044844428876164157598747146301911584106753750794406121525206524181015282446634037077645940478621568128994630123747542308604988619071386551263432038829526311070520310042767402631793951653516185499963591423176177488657357492219474270259302968803293
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 1,689-digit prime (135 intermediate primes).

Certified number1,689-digit prime
Certificatedownload
Certificate chainshow step 95 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061824221 --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":1100000009061824221},"decimal":true,"detail":2}}'