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 #1100000009069116838 833 digits created 2026-08-10

Value

21341220133685803816283496845340560447494644638648978868630982897589615326845593974911176140062845918815097110385214519276632222314006116458680805845946911207396663929867698584804509155207543679786979453931139881625678563324237659064023194486635259687711031756761714408893612472580401887811286645846089717915679408739572852247328872923844611640920431989041236979541503538751872469574470348174524004717289966786797034259142502077730155404317643702640256865581605225398468963757863976996629226350509096050236948781457346426124575600856675310834823009705138662582801531150236158380546442590848099487630842900787381773041452982880876545456912365627504466281486741019787215288551160583093256641863220416340881787933563069979046711973433025989203447063489532533398784816004659189725093669514109873180642404795639795962112009518349098256681
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 94 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069116838 --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":1100000009069116838},"decimal":true,"detail":2}}'