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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 #1100000009080824908 1,930 digits created 2026-08-13

Value

2869835666282992323479212165906848827733943168429592298071693452659462398867613736526741836214395810131661205777939554996460032319852320215023041497940863140776826448452937156705210222889240098367871360574916649722002696051768958771953683726289789281079225094839161624181403934936496577910121537453850375345870565573014665875507240026093647122689214957083061222510631264530476411017952798547053287385670817137338335517848554174560218737482335379281140406258260101737468899020356482395426184532981593520273232436837866593022192874438872216167957461563574001498401925473945844854789663010822973369522601707574996929311772299129136635098135016982313376602413917935694232156670502478052787817174407896455664648429353812725864800354198931642876860021301809934506147804886990361019868002062193595165844412754401473985508442011069531161302792859156218696314934561243677345985408987760288392398754460132046733535885773830599708380933733489021113373776666508393751765045535224901168585547954189214031137638239868885067940796395136731886761499544004434138239600615012819757218154744089685094547291778998021462788464675697589842467884557559126130168573020122912459322475592005871219312127383198094993870063690477612057119130699310610021646917819655014999241391497601065668184778025496292522009144383208962401691128739665201255241842211474380428203920826539649809492526001089040811708064976913979979332173073239393315227634582014502151688743044199409021096876194893110153448240275351140175803186943441584307634863408948317875434075082254645754063873029407424871184238845515432639726965967933846560199469949646717650973090917760069715582689020768817231165335412543290446546222080846777838522388089920270346834395111708971011478951833947311755922052591908625758784978262495280589224203011501546232274946166243712323275314947818021426863961362698191364774358512111153477158208844472888365808312862028820965258656267020704051270271254926908436079
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,185-digit prime (164 intermediate primes).

Certified number2,185-digit prime
Certificatedownload
Certificate chainshow step 17 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080824908 --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":1100000009080824908},"decimal":true,"detail":2}}'