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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 #1100000009068423370 1,888 digits created 2026-08-10

Value

4241442806936201339678450540560536884501310760554891303384990700348126887376406423976879880721072167649508069616700121472764204442762637135976046834516226889064358301265641985864704605593313352086808800113708047961137651507994367118017821638089632475104832805562563575352075891251218245154586607854833363222625490921997129560682522035051347898066269135902268088337163269331802932209535678316898512457132672248676044828838659094619321905423871250346456312508613558841821485710544698947608895747403521464134081314880513559305929791984448582610199879863618297331174375495997395860052735748117443853208729230870851316792956858535405766862632489817831326367280354217182269465613827555141549508853635822930447289074989535299087811704600733422083224330869654522083591994168186327317023039698227037371883779388846812185840995461358720800115176047666705427596474281156831825242619849057700063210363002864788376771652321559149379324953625421972691667924154461679856091995921425396533322305175492583650892558909558193787871511367797224512918909701868125877743279421290004501879950870221736393739482465121591788305725778080258747368129228289629991218275444459134103973273907697593967405945453076352990955712421065284757935773844056512653795460824652993405634155141700050733012672270337312072144787518699453081657653214090721724226806568676522448291344824404439066042459026535649450697480558286692004076796961957366249750866339182080839462359839818355921287465465931690652384298318638831546889881143485838638693976913600437289638351893649821700985391734026815576395454540537035819364505153303530469367502155430429250346931306613865089820210656441783662959168103544622501912531462038335684579129491046651817054263068399947133646192933144731839935186211149664435551854213770476448144980253056384309636055115821331356592491552869072150814943944999608359709931690105934998180642403761095005857273440988319
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,927-digit prime (214 intermediate primes).

Certified number2,927-digit prime
Certificatedownload
Certificate chainshow step 79 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009068423370 --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":1100000009068423370},"decimal":true,"detail":2}}'