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 #1100000009112353257 967 digits created 2026-08-26

Value

9970250020280374694324880276806349329981477884307759369908359316351176838191253404165896082121288559753057926187783964916885876473462821506079985860120565991041159125758423703300668628590400017016476627253951875295415812050473569993731815524922855044184639923988914034125015286478395757512332108024541180867915101914575079860925552285078836842669279910432514550021567890706474694550078049325784025880320471825529130071545852648173311535342546143846051133666402079097716959459981823164962889800465728758462547746665839244943440174281708723063899709089655014841355820177972759602325003621078973720459615314176393459705652223759191996724714946678797642888451335619126741750510177716267769912205746903731509113708018753082302484237490082078408845967650170644868174767706545046920369624995647661048855043348775144811531702699791613080225485692593240111008133193852309271989054982605028489693370599032050675247400246799741615684139482909682631304977108776877690146590433699
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,004-digit prime (158 intermediate primes).

Certified number2,004-digit prime
Certificatedownload
Certificate chainshow step 87 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112353257 --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":1100000009112353257},"decimal":true,"detail":2}}'