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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 #1100000009106881692 2,923 digits created 2026-08-25

Value

8728969988804114669945096009402121114587756405678160034248089225604732041805217768448767899552022208759059958298593301376312175751449374939789544212876413515752289618829688993462932547051671727033544060151294490580931161431824907515670901816002853253539357741073579613309099441580110245804219368196748459619595562020938504715392015820058900682119967802257107491799767478477395403595624780778688863351509034770506161514481848170310950097960515124951107640178114801714647907449812985898206477266069097332775310014998102475769343254294919942776029587280170848996114159148427964176610052691162308296920595357294890654681842112263302794177430271023041525556911752097469987362109411940500126516016821986201790509658298098519132925264832799913796620706045171048431108789970456139180410619087868088504217988711364233142084106119888383274092042182901292086726933758544704833397696620169878117276748597361129644311238598107804246016378110682593867542850398390803678880129213683379931553755238012521312107817510325454724956974765674346553685968898742829279201890931127151729972351861991353026688327277241031222591489259147449991031081494590869058484854247638093959495908534493895739854388009282213710964176753624381251566295130420294127373950680043322069110249765070521760584523321745264126045246386149811186450903482975283151698561356118023730227424306415047320889151057178020347080216152007904873128620526204686601455201747574248873788054093974552149087949127479887800037788701926898385659540878381247216552856931191373577641546488514887519279065389230474398486891675363643799934798911144330104486904362464136684365347649758421377279217690842063821362549944223533318078605842052473313982730821515226212312213164228605162738361652587968864010686652196617255403948855561900696001587396892853111849123040077232287803883669436151212477619206010255190087233150693563382804942090532386956435493516838071102325053472017767393727981726320066750968413923760772314114460133317145877790576034329364129849526318744549773008111887023885811600678602895699417837284345447067408834951722008700742785659440562336528933182012040956094105446420679481732895919898435946694018721969180528586433814075252696459834278923188759314800930125745485978638263240361096353447249628987681632532270148171152592551585462734146829363754802508494602590301028018077023867791452821834568474111547742003430150125136598742742765850593776787453216669204627360244202492826445792320316059315498872567913121624027410964837323565167810151599914911129980043991623329252404469042733794903691324536856144978221739051398238965762122305339435528369893092100320370976718601848489828206820924012511466592494073245268860879939003278489081222857485554456132022983804305050842242255828102863294243720507680594820255720530203139344484362701234489355809727552015095603358580849988854245497979888343476687139663942872732009173593672851544956906085888877872948798049886104266645143043875799
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 6 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881692 --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":1100000009106881692},"decimal":true,"detail":2}}'