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 #1100000009040104181 849 digits created 2026-08-02

Value

271484985727100273784171388462388677056166624094191944328106502091810454376340194327032419991787644239683063171078335730155497826447378656725842491831123533777108925230032647343427349845652799040611563452637344128203542288579793662573453741284193370720299831241518446693292097107762353426855313861913375383935930190050195931491053146499453158409945477263511873091829165611054585041857215485170204050315928181104952268707325093086620070566760016483169507471879370119894527800770970814875939519248466296640378576399120621888878375172077390100334013759201063189552570281881269591206408689339221689535794665186161290583672614693105030698843426988898722135616126167922530022785925222600638500020238504334224655990504364682112283737858324667357546867347706969032944040226765813881958292118451706228962863691756589280034803391541547274439243233746720064127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,253-digit prime (102 intermediate primes).

Certified number1,253-digit prime
Certificatedownload
Certificate chainshow step 38 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040104181 --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":1100000009040104181},"decimal":true,"detail":2}}'