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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 #1100000009028337715 1,195 digits created 2026-07-31

Value

5130709043909670471455925864694476378155476377534380132523955606419618737236410474570606977327060365273649998358401968180851338494041879480032555684231057544517259503489127565862286520537177455424890042376365814879132085553704656947069727966121834108637296382154954711005094500396967297858883053580369124184150645846913107460538280440824981015933350180701103232296694798422923313082161755671827651159153614661176093153688540301518232303617878270274141884280894401859093970513658877180560445164871520964104777967629641522879224452675846719029014073950931671901906847432539066950088902471124078475853406921706051769896677050666125962619640316754354503064098726544818913382994250034156150875576024935861559296497407384918328975233506730752016763737075818575459754043024784800640700461396714653480242167924455448170200927627100241211217951240268123683664354081276510436332546315936371855166325427821013220105147119127897658582687665061190810933589620589915618667082589074410214597634601014884861110769308516125803053058114798343711017711528107564359057443140627442970963889232212256739452206255027221466644197011414982299296842277947332730776739972417134323292868491779325284394424771414900743428157
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,203-digit prime (96 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 2 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028337715 --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":1100000009028337715},"decimal":true,"detail":2}}'