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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 #1100000009079911327 1,080 digits created 2026-08-12

Value

331556035028231393083175486179273992275065334006678744552625883301487154417532726800716969454004995713226523280658253043004301620458886222575576039004318344364130949904540063999876596535839184547338683808345118607769515566061990780666551519106605076307045450792704339284726595386220175039795134661405783017965822623061042909031350972962090782521452442182974205476888998050851590636134883715534003481784591473297590013940158303565961183603459681894955766381434147733972243208195106056831877047741821526939311304166261316622164996770382493928570368665591258274990609260347493210180516362112341655731365519131903542784145987259837161461372256965003224381445381210458607212145039349111571926762382786289093020070657659535466609384941481490922921259120910549139398153496481529758971869595546349814485701001521447398390442815208354856446807647074481137176005094770009992340778733292818739562809446768204282761777104943788557735606358846384763491204103003695724213888483653185960509754705835573248638628311363695022361321958460195001265453173831370172334326076084538494498126148862650421
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,909-digit prime (150 intermediate primes).

Certified number1,909-digit prime
Certificatedownload
Certificate chainshow step 68 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079911327 --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":1100000009079911327},"decimal":true,"detail":2}}'