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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 #1100000009043979895 1,121 digits created 2026-08-04

Value

24539013827436375835309187058166676904033569760754032576511437518814626857464644258637798119565374421790818272724318002270802312446125130028934815931697094078999850558008046934516905104044372805835681321499795569551088693262161099040200827642359349619326921377942560675955540082203457881629835739859502592497955854331794968193133361512504784790341570816632192546167580915534016173929027165226992698574926484363602272427177760895746029460330698108497427846023654869964233515232586702266156434966114975450385215236420992789180292574291921316954380932274846316291970380049257289298001372288221553116285813087295132674619268732873406184996449715033312652275005158710167633544747736220954252951256120803165486408174067499903286852549053579026538741857794332163476052577663246911229480329500865196080082937328591421077700362227032243972682420183870042938983426308856051566571205323591323834746395488240834082608607584381245828113147536723869801448550830381398055953307597446159988885741150574908550298065296227376340571320374478134531590337353147294556612117718053703876059615155334612641547555534437962996281896857803387102911
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 23 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043979895 --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":1100000009043979895},"decimal":true,"detail":2}}'