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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 #1100000008804738423 2,967 digits created 2026-05-13

Value

287192520553671518127893011225301203195438799295542730802187115626422558885776471839101853888177123255930730334005425570623943170829452816996299665642665228630130475276199047547166638835255018593546937764184521387969524906625256089069440944037205605251714132681217184085992995649721967364037638015888260678446535571776607636799044287500844341094861454557357504910610256614453265958957168457747028850604728261744672848389633208153718456369449451247982978685223593667609233734755651978540579526492039921725136949083165944962104346593967331789120175338581979928881130436067637910732784076785683031534021888110703568408034288148094296292880181285389536994372777785713662271481393851124783475132014758102841881128526075052996511622761655661873487905677159583062302921872187261007049083408259172559932028543279051638696552408234488085823866177172218955041889318518825931531484244888608562023783573024439709553837806220236780485550930378732584431020305484425807581657743608627370959149275893055598501502019090099247194002532957297883552460312352277411296446241275204085089289858257418096853748584540079830613466154468245669083300039892629754837049910315671743516558615436615756600141155945679058940047720211503079098719168584781221509083273386298508802901034804436677358349534523505901129377573861853315965325423135933786359305307638870863701759974975223160495599628684071039195198888990650125462224588160829334153403882477015985248540146488690523284948302145861555739473695837704889773704708090077114619781177296927577065789646680623086447472938198048382140056099233258871021032803847435348475943329505645236454305419610289619480360121902349007956160306250819274709565292532000439826510572839772458034839011446905639549744537438581193801699852551489912027726084527098508366231075505625032460275154960855657403988844078081641988665102871649819377438299453192082398546950509514658761092367809508138614421331091302176837109481120955988778301211441306923226887263576334264208059798248152969335237885138577586440588234497333537156124894999622044780560069052673826804045531926651045830186442581499090386052467865466937417716370559974760569096370656968494995983507803852360236284242273747752885142166048077452317976994357910553654195058097598292399787716870391974811721592431803779864459947816416001783227832727295973646215801228495746782148127267195127314257987347249569295674274625693199774234653314181547589539011885223361508903306658769526565269713893102558708005741437558542216836631063229867176899916653030558001820554784558238140238641302438043333242820705796908991364702696016067441461712907135903377187865329777858527528738176791892694038016622097890642667147220485276836735824745532211464686643261578466388295006235767732312749134768166993670903388764170541193654783745465964875443397966894489267634853816217108174619386133834701649303689488677337470175071990697039513120527905095906302001497870715029789115451153703811885112038470535524035384963637052465533158474571829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 4,113-digit prime (250 intermediate primes).

Certified number4,113-digit prime
Certificatedownload
Certificate chainshow step 77 of 250

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804738423 --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":1100000008804738423},"decimal":true,"detail":2}}'