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 #1100000009051742408 929 digits created 2026-08-07

Value

12717093256621389513137296747004064573796775883016778252956284684562059921293870286954530772422561223846561427757024784275880572607535748291047075803390369476638951376783187746256679343538604178031095850032682903788853077033125594539792273191507038983510864545270205896521987276223942336567807785434812417523464216613017415208097882571809859373582901543940931849035920931833065820699721835580487698231528531841774933889945567365417892300520275457812850381492477634493405920365455487818891322305318904193211722298567865508599932504064093335824335759776174472623180626694767574658174250201951838631413006528085221575959089250136109907460784162960033617576389343500616680309175256619254374797595852617326567931084298926434278872253620621056214473078015079713636624731213327376865693529817461446176054804877473544008781184823033441213604879958431064838120744089469903688327128545978370198098251366512760097246537807873074753416890053
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,567-digit prime (118 intermediate primes).

Certified number1,567-digit prime
Certificatedownload
Certificate chainshow step 51 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051742408 --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":1100000009051742408},"decimal":true,"detail":2}}'