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 #1100000009057729938 948 digits created 2026-08-08

Value

321750608763780856056252218554175912744893119026287989910237054293818644451374846743977637076741467894572694512183659466599659601726493753098058174399714035680850886884451359718130844024186295992436094677523829684514292224161245854314354397032664157183293527390138605932787612109451047148748255504180546052964533429753956507873257664389190377709121484285539524171674451779928257058330619184831782616977968376618362978691383582940091440603271073354105475085812331777376158280994576670257035045663630686223560440420004837123679261750535657398812654900575099476042812033428639045588861847566915321702810413353110666200344240660583680111990512930931885006855426184183425454268286934981776489620056432547912138322098000950387722533550633178937973004906710955145756862421680541164791073847951634249093547541651321842000625525300880888319672913888665929899787254129373751587384918339980615782283136584962862310394602439888727138753604398844447375583749727
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 63 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729938 --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":1100000009057729938},"decimal":true,"detail":2}}'