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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 #1100000009042393952 1,234 digits created 2026-08-03

Value

3582459882269196831164544397432455038250629550269337471206398647442816881146512618837202495765852893620263044630360641362358355486114544449631277971528122715367200860809769527062632881183904781017774792664332379500101843029747413434198993658625331780307692008893610595659940950381800571108352777654718772443771745884895910883460198355702105703337721532849905314377367000793056266695375425426938129535829406150432900662150388317125022740432244573509971798425805507134318133733313017885882792551894918180961619823647336592010011316305516103094270426012555631728619161271943897693374769225571172615683384712018886345259224611166913055762471179752926370964571489454830508808009694809853533801145330351673900374606476929094279107534943889356830996886798383986606069928887464901948289747702079697512806525291685686397986614480909205532285302607190440958758862064405213218076160864472107139629069768651160002834347840482389833940224410970671231495387613513369897937991060940127902869420428147798172341189245739079903216250167684174364921809410200229969539905955882932956991050311771670555156926254481283539375913255566926389960597569061871991847572139187754324511975786407111180377061893765749863506201146238314355697677892442859518436110833
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,319-digit prime (109 intermediate primes).

Certified number1,319-digit prime
Certificatedownload
Certificate chainshow step 11 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042393952 --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":1100000009042393952},"decimal":true,"detail":2}}'