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 #1100000009043272438 863 digits created 2026-08-03

Value

37586489865220976245695773268572418494567286454341810872648303969981766710607227882094599689007622956758636505659842160783639412992478840844087440603578903938281483034977482081035898450254315671973014405078137511453293404521908677263004048496726282414881736238783426865093304999536949707707357981657576504383026819905841574125545404225286355144176766956111025596961467216106395880025542997246074233199129514749777992378868833687741920108667914908987807663736363325287220194283133088113217339373513998103396980082080904161010469770195645215820211038840967960325778861722302611865517703075330164904829164405910195696851164369765835468610595147276478347790449051239860174896341506020583027581000841286339671153245813733855781738380244934700985366783345951258846502618677546491132699276704875521760926076306854473765567285264114047453040149656633331032407991286399043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,354-digit prime (118 intermediate primes).

Certified number1,354-digit prime
Certificatedownload
Certificate chainshow step 46 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043272438 --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":1100000009043272438},"decimal":true,"detail":2}}'