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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 #1100000009079526356 1,833 digits created 2026-08-12

Value

848329290759887641308849634118866337454679477671795858316255925654097112825421542292767099501185354820102946558177734996166451695443076775730777521142061511471842517027788861345714839204367794119411024974196427003412146675403001326643237656647130609038622101707046870183934659920595148701242164390117347311651726423781887309647939990007563865984598289474524146414479222181999573755814510925937799646478205695939917644751010780069656506625453932550849273611350431667336500057223602563311256549470532086725236549837768175963901293427041764527582873083643138457468835570975575531781952813560126764961414588064644169860842144933923394698618846986512662788941322886264218768866284211463799253235087035525787289722282396843789609382632564514745391395074604747866219841822649136834800636203312567751548238641655356776956239520264708351671935000822440733097211629588268397827575795756577147867752618553565525829701968734983239775540021162537563964383395080912950707909448750760245209336008910552301865943798279550703588729359038175337673108003781264790536594681332600193949260679153037415793253832005426429078614727512158344720707742390869338540487737576186075864748664496363630780621677914138831737860230600463271699661636883539585187190704543729223506354463375406422966675465840750293335881560877620580215293287467797370417191839876257780871353062274327137223277576015168743911566788456168124716617065834638981885132329360003442604981772512259840240989343981385380757444287062953717819823859941443860599290103074285855024232360679964920811183868910411430427567324744299747170966757033555282855497388455361562202029120685328904025360367656261080528170886877097045511318683396119849399694091307573560832868646922802890982993447984628776113999914057112524475326046790565097591084827475978522415006606899524099219389629148674351197362871040297
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,851-digit prime (158 intermediate primes).

Certified number1,851-digit prime
Certificatedownload
Certificate chainshow step 2 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079526356 --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":1100000009079526356},"decimal":true,"detail":2}}'