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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 #1100000009050147357 1,199 digits created 2026-08-06

Value

26244989338498949825472171703693061471447753098648308266215512535630138540851611924274984756676178990017503158748412700077765974833479049644198832307104824490171399657846059930315680373526157564821658835868985990720278454375570670376383583025081420661314649292899830950085328385771564720167983461835745269137050522093870173402118000770746622452041910486262318486747897556502841735666887925385771134505137773213734691968233976598622920167148661217221693121167530666625037143441582166481373131346762092924086828293694925572052285979204393653440489929140288600883055426853094154390311946181104137296901147984257122387889094163128326191883700734755251421406058664807110239996144666792949344117364473865972182551174440264630107537133667237335450548258007351788812953966214977072105795985758484607606572300573874709433562043266684465813915983822830312566888556526027414907789508367782390300204668304543402792437881330068510753037018930868471110218094003669984780786270370634798590059887222461334071916321789388941059835461572097652515997470454247999222038630090409125914939010388503851169158528113279592457423878964973190632171672050834230784909441467788031253008037497571266332297131128653674748206581539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,517-digit prime (124 intermediate primes).

Certified number1,517-digit prime
Certificatedownload
Certificate chainshow step 31 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050147357 --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":1100000009050147357},"decimal":true,"detail":2}}'