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 #1100000009018516149 733 digits created 2026-07-29

Value

2813860680873564140888067303623785019104312674836564041765173259843459321429684245725183366352668366890291479218047019110029969119592149266108680553249016433875294925042443523364516039953669037826219047497561431178153138862011482921618074049047239956609431009422406750116922183289604299783564312579559446189851839601513670842625176322487351996723853532130592601404453612188715832158710123305137779973685752995398021376431926736495600859613499014090002749714395855287366749657544412142979319870795017917624210511800595856779413653431575940159252243248701979289321396439729490205642679563247791273475691425626972235236202422060727012600869320116839435014253063443703434663802958252562463288342552060689467315506790112376021586194260923
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,003-digit prime (84 intermediate primes).

Certified number1,003-digit prime
Certificatedownload
Certificate chainshow step 27 of 84

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018516149 --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":1100000009018516149},"decimal":true,"detail":2}}'