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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 #1100000009047581639 1,290 digits created 2026-08-05

Value

536901836791567567176198641976371641373350127345708010182934286580252305501305467823890087666040723671330119744985071034095264604163317643333584727028123736943387068679412040243825856189865825485412238392084638746692316746382593792539308821333080948173414502446706330483337322988698877226438619644725140787722551753859738491357732704819808995732389192623533809498177966135641693125210874650138195207553917927377062176769875746450649474334159127078160785680130177904335914226538021114765474032433771326504082269393768117961568738339830786577492516966210630893353243388407653675344617204255633994115015996160373348656942989357429523789478406755588959287651619176664170163265159325383476696220106527180478330614570097796314028252924144369297269257474834985928202506190039109777111861067790048024349199280683910984829069069506535186139114184622407630733576247995266052155795097048209110027298339322459800619859116665640035353673234949559552286305677784368919933435443412957560080738432430600607481739533325137987019924285971352002731945793693013463796497356759277424518811143731677070436504488369752398563504677265424387964567506938780777972922498117542428577328235159375490985362420082240957991933750954877036257466150137754104866927024430358282361363553689013799577110777837706967871067654257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,462-digit prime (113 intermediate primes).

Certified number1,462-digit prime
Certificatedownload
Certificate chainshow step 15 of 113

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047581639 --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":1100000009047581639},"decimal":true,"detail":2}}'