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 #1100000009083570920 793 digits created 2026-08-14

Value

1788725599244622587351344268786961326856669917236352970763060275366078795810790842065089379845177589842117000816479883442781037545173833351404213501576638937664432296050384518653666822319341204070224752439946327699508798374864870052343158517754435567605885459420579118175884044263402684586762862513713303953376225183726925541172042801105168226868415079376959135557940337200552596983271591190873328006249399394330259018555550867187434495570755593718768833923736466018126211332257610037242677362742489672560560748050666582286381174900165094475938903231396808524347019807291592440284376095273361015573166774667089052058854050077593099255527398521922658957942366319125739296817180079760486263478921921206073149510068099253802668673487583899154090806316492142782765219965819115961000267928309997871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 91 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570920 --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":1100000009083570920},"decimal":true,"detail":2}}'