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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 #1100000004881839409 2,295 digits created 2023-10-25

Value

249825653821213431917494674553104639384940173263036405496388611368319469258862259896961709526487911685092080838074303676140530761184685931560426636140553846644742554476567001862575193878437465354654376272790210072064814947192877693035268791260989423310231337367446139991999561177994902978086922862377758438060949038395213194709808176822345847346319656975804678434631311280097169554524737045591210986351807993260212104653669528664928144316913196545707479237752233292606432522650648487086135733479918089885003074307360864910720697576441488112206885041015085637974327677376423898749902386994975274907827606325800991714185737465511858914866286223943809773513170235984622526507363887685584957355808640978408736216478156061737313233004430034411820843476900212107016578801860638060668765344124788001503116934265850721776747079795955624229127657012363640761374911678926452594956085970974198476785152553622184292666099352146726503721279225038857690417079860362183189345318150632107946485761959088763154095161478245057879267442118573677366535885685851122030539958014002767193530485650494659166012318534726294982166914422889800970674255614003504319262824239127051922675665488186836409376275640286729191080409298494103889798699507669139489413912849330080996764119489347149901103201292184209127498637045533178271003638752863082526041216014432559066519793532677024529204536163847120561582358280035653372408466532272145672252350522728655269735850810980239659914832813984005226950775656234102874488158014180595645949906991961321896169410410009077047556990451509261175039845489292338031138728851288852832632235274415544810957738420830524611274902917229765673425758116653556364900025540104602172854513352780868176127896303767978917739213921213417312953758302918505702984514626827565115316353806867285953856453783555013669651702068221905117933695987411116072262901592869077617009051630489919644518211759011119699288529703857783883358308864926085370955720196726593405042961334228748683680444794542430490627187513388286492535506061956536251599026834005283177338199629085761743090678501664423949185374799927918451383428237007080041907762451729104094116130949983640905987762011008629430483843309071097727117244843465608513762149717813654233854233099784567752126042298923936267790698007748370618853118345124700415984951
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,349-digit prime (259 intermediate primes).

Certified number2,349-digit prime
Certificatedownload
Certificate chainshow step 9 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881839409 --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":1100000004881839409},"decimal":true,"detail":2}}'