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 #1100000009080780348 957 digits created 2026-08-13

Value

990659623936071718659676338391224854631069913950371411118343492127204929419387712410440955051492007718098763687577014492978514147630369571813289133643044234427401572548785163656459288199663193802267154609144692633581132790068300033596216461598758997881425497496585623981464694979385624267963160125151912067132885824114594774610206786290014994565627192189800464490419617625021740554134473002009736864306112664886654807273471234924993890423212151046258421040320770035768501543111128117425611850656542684726436053269639446141679268877498435685808890344101113482318304679535137141155038084370818267814738363511150713218613323043126250739112551028090503985225393159507506379417609821633618357249960234387257383203159616088933859823222085243948865223117273600033072757205310509633365799053389154675977844767415406900205993218315738968183324634547956787754027191876711186252935267520471880094531787520191030433126127021814628079969528605603057181760826638068479147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,930-digit prime (142 intermediate primes).

Certified number1,930-digit prime
Certificatedownload
Certificate chainshow step 73 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080780348 --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":1100000009080780348},"decimal":true,"detail":2}}'