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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 #1100000009126951269 2,352 digits created 2026-09-01

Value

234489030077980500137553378135186022704382568802670023656496437188756232946092398573218291752346968021417622241695967368744832153415573698567083080106946062012354907134283187071398288574254446841734913533968423963460545812399376109853437887978746098630767435068493237444051070223997500009093787889243746864116621928501964967103671401302094298196942617984215308441242707584897072847652888315830748360751597888473742955700452422027171222414440481903832035161068128179007183843887165859870095695070185917324755223825287577522737338357452687977434546535423005422979358782852407218295538818670031720789514338202336406828442424286344944254342059284005718500744051208138763365276477406108298495037503841942043258956317400010969304524147718548917923952504456849389952701221566618158990112569365959640344705888065497187195910588133998335399018528811653022602958081931114613756985615003407179951551583603918018723209046050348994138466680386774930629721794293868551801577726399981880855922902098386615324781726604586401041479538948855349994242236801808660944151611788930518948704500311214778562782257111432715896805705593819923408887251909605919259786446871164172143104948475959955471535990027922990600539805773143266126849091296741181871425656156059441044098995737444693207955910438759422564739617723662218539509293054692422093090560652227719647983913046483617654720981463629450296177219790771362396383460164354661268355752699942362310886690726650485055166549237756451007509347822045975609455113962296374024582053071093455684379313046964005969119975840960333899340874051841162351966197830757377609054609934984252684415621976633616692617601264977325536596051012312742177231723158541205401058901358807352082490961570394027937968485667184140089461759140384897664434311178722744400752845446139399680525303894960914275744534630508680787460490908835997158271856509371177422479295398913036968798376930122372776334523226627813404520514972418561790559824017913865851965056387706241394458109261757271483401614060493744583096559903369532264883361430298002458274516164955883748523975702376380164912436162835907987036180334057196810351873512901467707608081304427309994711464307369005766129016373216701142610231995616424624950771957487046359134412315901456311472018530753338767457391044388388659234161283127565797342207170126283937749209737553543210643073140505704136962141847
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 3,117-digit prime (302 intermediate primes).

Certified number3,117-digit prime
Certificatedownload
Certificate chainshow step 72 of 302

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126951269 --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":1100000009126951269},"decimal":true,"detail":2}}'