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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 #1100000009082543549 1,194 digits created 2026-08-14

Value

542815314001455238948029871639961214841578380805056806967464077655732439425221317235012930044281096875963802802416320414179836044373163770978861918607370508752549935729733748546599016237463821730633328579596170251172078642949432296094082729078685932387669665027882608830257790891965784020636340254219237503457439262713789903716089169668247446142921589622168169453816377677611298896254098146665949863670533753448881694616746632570490307742915472576680525036020774669130762550072336235169251688985136757149204399295417626945893028990769997665747033756483252161833435712334696849671961585085000401195375671693484553084324912837215752239271178143176450334518088035625117198680305874736278457757874714661717807058980712217838241876646277841538777597277288282250894183091799142393630153314941117262099735458172587622541343691160222442221874025140937219397520669556388939571447350014299497928875729965899441439497317054906536259782327141706119184114293700580244797645333134865961957421495303181601260960336559833504902733727331470395060954013788158753460903273030478390740165731983021257286403235482957579746439355226356465453596995089897792321961387131206846814878194091936636054576862474230009512293
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,878-digit prime (154 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 57 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009082543549 --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":1100000009082543549},"decimal":true,"detail":2}}'