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 #1100000009055124621 619 digits created 2026-08-08

Value

2404041400885767992364796591400299408339860726884486927674281825567460169300806216240531311771370220741719373015148918943901412504150159143857302239856496270892378480794980778226974356184761732089384173230301781461421835752356468223849183286819344022015155979326356553804028028090177461343078057368921150772070799997080816006324761761164325630109840997541870812156075089674819481461373745832283865942289198349131217400621564530115416731648810054078626002098846066947086820818727957798289487420253437669179288794747596493719117624451562336074567633324384160274293079295735432141967382320391623122563019667355555710468021
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 142 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 142 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055124621 --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":1100000009055124621},"decimal":true,"detail":2}}'