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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 #1100000009042394157 1,003 digits created 2026-08-03

Value

5698868820641944014161643468215980578246145242033067652434152349769370796549070206596541866796268777258307670824474973627302582023144048119109775521774835283380837416196040275920030308880687732245605108688162224182164117621965033158230261516998759003347355769821537678302544655743849067722328880718580095777057790276075566060027652708354311683337594353707705548091053641605414793464121871371124727896514136627103383104162912559365527172153507643620941515498098690902356103531816114714844122930391302809529672449749440712955734583824170453050766627994594338069585693264798126675289215746375963616665788590325588871540012621283970948379462460741636544238071584533055986516948575087059725927126599038032938372064596335663127033899139589286711763118268092707703004839855632379917308870412168269063294021968110776669770990812413899811796282403446934238166108227010360832614751682048358472409499170784052732355253163980287313847539268138545381381422779480154350417358120778112887312592405052064961305619703823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,319-digit prime (109 intermediate primes).

Certified number1,319-digit prime
Certificatedownload
Certificate chainshow step 29 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042394157 --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":1100000009042394157},"decimal":true,"detail":2}}'