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 #1100000009053517238 922 digits created 2026-08-07

Value

1403045334435950123049917528386025120845310897161021469895861977859196951961882240863414378780293952867244446872784671160239382811571085551113367299298080623124265908764698131835923923223773193392009507266683655515291627111227586146824377031648459874120091698659334962640750997361213636408943409960687188177897838729051726819134969871853834388536406310826651779231803962647332727270372181832872543612227467632062916959112405358572315983910373506213149709709689066351925737493763167214490815537101153399591623590142246782225076545039670999202060095398619763061306305664744321822404833463773068547822237521281428708111559043554369892026659523258729021271350156628532931056230773972351016304122750844508996494860251763561068430282954315140098485210423404775410916287058416550897707126449018752628634773271145817088258044789989494881486018603678018422885304554638765411041897758114895663152270490449992170573995034169672411031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,604-digit prime (121 intermediate primes).

Certified number1,604-digit prime
Certificatedownload
Certificate chainshow step 57 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053517238 --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":1100000009053517238},"decimal":true,"detail":2}}'