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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 #1100000009056642773 1,834 digits created 2026-08-08

Value

3669256219251057949573612727529105920215381215632245376555243856778862668382240687802038605733745852657220752594880677296078249939975090274880568048244705501121555347296315595500969803783275056849733475418585631388662942418574252635530704865434805628174845039491761724403620017186261649844495654348376330337517330852713722373500750786119833894866205078113245148705206214556052268048478156532655128500430348639343559787297077974039646054287365394361158035087353226578079281917799348473140857758454921258641848817370325944359984882420100409874971603654224963565746484032270852779662446270830292096399467885125913760578198662979166852724238008833419265251469834815888356112576140865094588654864309112719228246284527822265825739892523926602545301790451210695806344419066003301979174509603256612534924196772166488326123143862739209866948360705935445477842084634263870114271824425380913980159345135195774126898640059041323561780111690235389509907952893388552176981168868095414255992503409539422920897497460062259781354310010441814115532429295449786376801358869210440907620713978012671583807882909359222421645708230146014863521267141758609697118295148308939865915770722692627004671251603203893726784994622481507027271706677532506272748072971122311596837115480971815621346095171689648276746690484698711901787993108279454118956953856801339833975696660420663615532306202633385018793553020275903488535499368523544145937116181483342553686433207290699746271059006308313541770907428504024737143182418452215730095238704712006781670495551695184964889323505873650787483734565251562389352987039403161946144879711774195497258981080367929623306593222934310002858353809514126090503424489147667532290974267763313824180411586151848664166724116750221366891213902268380123352460862475247333329481470819418137487379531531487392882938348823792571459370462212421
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 58 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642773 --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":1100000009056642773},"decimal":true,"detail":2}}'