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 #1100000009051206867 1,015 digits created 2026-08-06

Value

1527367647965932417596737128192635087898880701900972226273215902481759059039467108745462117653952273474234297437643912762896879233877100475385741395536597893822409090176100286651809137385103246870739549499362682829568791369553037459275594280415826641202436632299795857154899606771594820823584477475411881400271299712597963141824145394641693765822268274111525792965144126083192148031337891346720250011571920349554068305700938483967820205610720475648783868196165593967676536001461007019315826519950150257250610677402159946785600896111252469642512940202878791241779393567672751340278754000132141081130611773807229846079122492789397632703406520201174553349923427713700500748984250939527924114595356148743814258654314040538292577503724887940985160299436074285788411441705061479798193828446575399224717583979838798136621775184806208388601181089635934600834277056855462023899755815985576550321277913269026184079325175753546069773685860041790310006788932998505514084125389370033086268588394339612628634221628343657568940031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 1,556-digit prime (132 intermediate primes).

Certified number1,556-digit prime
Certificatedownload
Certificate chainshow step 47 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051206867 --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":1100000009051206867},"decimal":true,"detail":2}}'