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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 #1100000008804977937 3,812 digits created 2026-05-13

Value

13156026171002874618700531904459113990819894219595238014956864586072752610928156586282779441356649522169316171562786470167289688461898732147135864571067892347301243286635039754949417641545843910738933811421567609159807605232099966558826943609475799809045559750564318007684994413722032214884950434247315955431382974509437575665805457752713863304941955991660796740179177158096559228450031604507998812621973207092303574562608739844723432048391762957522495326060440551554333862890144727046334970353400869573611565486413548150329285907994083707852924376578153189646386067039787375466107164214978929064127421034081890762959894571700554322480990749510595800925829852163423809422407730644566155050711958864559511472224421270085375718306904965955008408125112622340630920726310776246166015886766323273711631018353166022122544700806886829466592412516852522329460575468888566763236336913972591876746822663292605363175675890004574540323267432384417981856958472209843606445005291733301002013423949811845317220052682841842586688007733710234759961342094002041601643866120303248679375918790160858959793641071126044141323555331403649999676833504347362946143796880175926935631213076343437431761666952012803066612803729054781422784280880648175555166772768938782914030221467304933880472467827482465186732151903325147335792782162272653293481608911900224176852987914085666249482689546828594856397737662021746715884029156570754450417024059313160714697520459534161054930389776084402662679902483981866844576706129378537619668248015000033621871096779046103399996536106107824547742123747250650144728818978977055694460375284467567571264404876918477799296851978504501379700779033349752031697193383780500950777250515788605642686251321676619798616002612138314296911302422437897419320071871497021585366573518630602879553278137302647709173427166338508487340493736502400311960110586946231855120910796751163225511106343353736908675472964962236638075271233111543694617591725532010394254518981300868451904533523711677738987452513246648567998672048264503945774933023348039128166806654955058700276668758269014618805251886179559222104936733118156803409161244896453640843761875891761710503133630022225520456764404801673836263582127695942695901875462901485563793769180461903519567643695906879563675676473190829459256347299351352040610896889208300522668301148035320287569475403740955763945107118974908532132695072925715428357818115814463242257402759469776360017438081783590005159993214077869189932176693669892344839954811840845451368428296221696255456738866771735149913767844312520613872846994078685483441576847594793715750510683485456560300607425375785515987388241956533934245903056395038574317391300355278587329560328270655771361807229992293566549536720866014291442103308423603994333538203717987872380893166569756296790195100558652637334524943954357491315382497702965748940042789869478469347567532707119489180538918259938381468548495158647511733511080010565246289319411249293480945214542117921002730316398001185432256247561434173574921451926797247562383044736420088947885391889563085843799905912460976072257184100002458861204356077717510641883736253349367618422094795769794919953482786529161170100898946533586831539978282973640268966294439864554048595962231386251802321549676734990952803270433994622039445418890176708221672697216414665692961382672467835897249756738570785806622347242155026866140067603391134918776644128776344115791792727911849485624014282456673297108617928747946018094170492491189771720832540229415108503815842457740299160612037968679332550289824445852078333165486917320842924638065560807415791261840478732124280852206451068970641886386061571041798998659315389359101709504113498465515621270642282331910423677068954748046041046288858537233577751969287495823546261613168656080919266332609102311139690196400299295106049002828053026865988031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 4,708-digit prime (287 intermediate primes).

Certified number4,708-digit prime
Certificatedownload
Certificate chainshow step 59 of 287

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804977937 --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":1100000008804977937},"decimal":true,"detail":2}}'