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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 #1100000009127304468 2,185 digits created 2026-09-01

Value

1583839839862199242074277696957622099813521095112765107003181631832275699337141942770148203555526225345883139540264504177935364665204940419420313429239883017918963936075138343655893284977450516619336449415164418673722068358396733533155253009224104703219492080832725584705300600202473439337829883254640961076194778167547253413767778016428209953514614470665838882596634504701511502838951922168774431212306430537139615987789348379291677927939123191662012940610206894930912157971449103534172901176282854738238635348486977041540423698551171788323333880102878967932004726291707053826503684183022954656352600937742721877301555517053249766313641223966626233550023689427923715871293519336737250470380538991527111848115314735880363449029829081548256116831611127111165403515691641970521942401434054195769738121029344404627973087915642500581965216391076642939304270325757174483271756907144187949515876208281827793222278150822958570418053909241115819393892133659520547452616984546407060730930841179687405237781203599839368506938535983638515112025534764109288166144875128537592751582741546585237692151608732640221599397754942207620195401411309137869209108027646630571816517445706805392228420872784293543738990898605633866630909231962734724049698942399997917855182071007263052676550633595044332203214301621050266487282560647663116418234046052292587121463826078702212232380398734683095197537392051966055626989155409966530413432992570372482814349336705159224129402875140499202287362729878764022615416040960150672091083984900790899808106508430256602705191986481276938054048369837429054934513223451420509590044888005775065796889797673128066392998446965231903322671275225900852161002781952597721997251654650174829751092892385375783991500757017685709328310211411108321921640299119977193152206532099603342751646156252474581281205206613348608315787866495629957567844994603523291699454529044501548629059490594450977724592857002758632841874803641273588785796887633321290622369729351143846046451483089397731010502774817748762586184830919004255565472597515039110839092029827226082872032819011014128290262809783633169166531041233838511129681319560345669596894544122325976498385453718976878740776678708209802440711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 92 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127304468 --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":1100000009127304468},"decimal":true,"detail":2}}'