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 #1100000009040104189 838 digits created 2026-08-02

Value

2783759287894282637104548550472006982336170929427064744656091073263718659529237970778460021293704336415814135195875804380041696836558705004315046778769551820412001522668111405046200549870422443793403020339803671474250989169571484005016911127223459352254570634989458480807985252307584018972029112977548095841596991581779687990097832797359233292825928112580353932471689557030152349131634307513343968513510086480669481309094598166388025034323015627025509773881096159340959086987945782839698648058856196608650786483157570042864613013163501999873356148816775841663597934462071203631135841332282497552258448992523607122984539588969033387871658792778266278053099715825169721267499688209618525373067487359871845152269905869589516381717640182244231926271170277978427713786992932057937132070889224194916832589448097729156887085515177642262390257357
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,253-digit prime (102 intermediate primes).

Certified number1,253-digit prime
Certificatedownload
Certificate chainshow step 39 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040104189 --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":1100000009040104189},"decimal":true,"detail":2}}'