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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 #1100000009068981828 1,591 digits created 2026-08-10

Value

1825324264793562445896948131792199445564964218142393682554713595578829274392327951316689722605086184309730144325389981638180415943252655480940586812291952833078038499249549914613977299921355620075686951991019763918178179517363423229352927847332996761506318885259276053276471538450494226204479209809559521319015950429993898920507751625033316852444024006264872517053009977783424746902839784614493168834051202920038854350485496111334949395843260488482947534977406700058434615407476821324802097402828003537933556472632425100905676955214345098647494318840211153949241252892515347889729962250750269821622542770515238795557713943573979049912448351430827777236525840932141655270263739035836642164582782188643378198180820325606598888063374630644013821288363648597996381927187037244120087323743520220669899892845991456628205624203455808781052784852336703639692499023242591535298940381478827257166034574837350357689364527644069310815368102903964353365495240091582361514138303323660473770080787085449907780155351616185395185667546304383532308666092155020273235861117485732032586448092131119775278935860651910789050122005772681003325070757852239975576282023793884387558641255727717980155166535796546883920786372292063520271970644767051021668380407609823570016772484649857365342237127690065778478596181451294892991029731055950156023632832807192255855616501457140511307071106700550654739914286444011372011969523638994238294664948614947542792661425342241714750608654732850872877082526344594231044633909576366525087043762182598561202265789842930266992752397251632108470528718313141986047459150960200753465891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 2,640-digit prime (196 intermediate primes).

Certified number2,640-digit prime
Certificatedownload
Certificate chainshow step 75 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009068981828 --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":1100000009068981828},"decimal":true,"detail":2}}'