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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 #1100000009079526540 1,209 digits created 2026-08-12

Value

238069624542814875029046156581525282124573419063921430558377352909150588047694152318479998910298888598596331023861649733549745446193409795435655931109446965239296146435150898540337781189668101116415785536964714492666329911071716123063339335410313385202610701114485504023116227448012293753720225681382504255852464751284595355461706999087524359221133649911725445204377800018710316044939437979248399850259317500380160825391505574129330015353515963639103984478083928841221788951896350999356546507058043012734700264411418389345525784902091470723646279894151420192353674110699838912151497037786639468029173201214981917642860307941572017257806122633013041248700433193394768256406790475086530946403906941715641752350201108246819763455608190937144044342462470875045422442113156329233523231610942546531837997299608982551975420328952211064414210135032146222068059057557696653354326260667719434481801297409990245264797599263778785926699525598929628373077300172872296484751812764262479763023579120129171150288246192190713624324885585097797122524588723813502272222402686469191848784266359094509109427792224082832923092371406250388904532317175421849677767961498506213048216396044607277678873779952902324346014943004546710817
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 1,851-digit prime (158 intermediate primes).

Certified number1,851-digit prime
Certificatedownload
Certificate chainshow step 60 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079526540 --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":1100000009079526540},"decimal":true,"detail":2}}'