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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 #1100000009079542864 1,290 digits created 2026-08-12

Value

443718675797816904186026433607660036668276049056690068731915049196843870379787853090078798654212820046089100606495041746605000517551660604848791082913598058032314435156304889959970524030554457013865956830117824638847497624795177855197378512833312112106794656069423120920731661481627517813583975504465255096024045988709326063254557408764469934697634270274518182570463161023247302757559053069051983455083376355457673383413353701568409346601989327795394668440618620651621267427660312164376304192396751904065997414920663942976313973658582429477944417342010576364218073868872996341957110664861335228311253155442280328185707826896400946051746581731117916122146438315102465993333935567275650389171579361527743907615449921333452674416765875462906359232545567125470114207241232139283570300395455072356594186436292834460143689940565119930316040789507758558189710021480632607163667113127401757076379152520550297478111709043749304395421556763195342461718199178027880993601769638191857592486115680759830823984488158065344722496059943897293899986685020291520533055383485579726675426478382677384946886825776700142256704165308321685099680094432194167208343805480248450871121751264676553881990572542346471617900856715090901467670163739031506420738380699774492122906191943990260857800607483274993362202005827
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,903-digit prime (138 intermediate primes).

Certified number1,903-digit prime
Certificatedownload
Certificate chainshow step 48 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079542864 --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":1100000009079542864},"decimal":true,"detail":2}}'