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 #1100000009043980348 786 digits created 2026-08-04

Value

510563394785207759715638914266992766739714676216224534699561909600729389742939904768331089432367013625194546991435976725327769186686241180152997210312237512850840244439058158887094842487068849672282988071099722802804923871588237935232171678491387526089572901989739266892659796133308596045638996518487801172329461565153506116610799428068170207035587134023107544675254791882939435866673998128136796175288670146372343723824478200602211419773856190512531484242133538411020865330855677375573935841356631535429590247276431337209327521652614004281142854993551770693789574826665767516627656173622998625081735757915100669123005042413434862844675993157191574552414019390551753360637700401184260296489305780488672147188830291578746837939892317956303805065045370189364278358810205156684525444577041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 50 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043980348 --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":1100000009043980348},"decimal":true,"detail":2}}'