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 #1100000009018917516 517 digits created 2026-07-29

Value

1569631087009822138584205519357044015929557636220816100727449603682019716676033245134110654895650082618422901951938134019236919104537212097097817532918505539354059928896112625787643112479297579262946268613296854379822772413464821171254835682442290927687409162168634943546741801510154033912086966361574795074141966447545077427174112225833166072411890199519439782765974789310847223231644954227052347435860588081346648253438633546736106147636023240506049995939024934401192525915873895231842394582532954236392131183891117
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 37 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917516 --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":1100000009018917516},"decimal":true,"detail":2}}'