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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 #1100000009060825743 2,254 digits created 2026-08-09

Value

3126403851247096752922267797218440509373886119965331712902095889245308342087407977698149338880371905133278227347408845132185577899093463915089191752229927782707359640717870501964808373337636600398961857048680901498899430268326547511188557626504397870203821680386528555592119369980994296567901347956330243974317437151256716709559811757180019269929774431155210109585188020250706495709644051849965061681980405013369810505137810563301259627483440361412141337245157583271045375732547439013734808601673608809478127274118131910328079751411065289065326060717082840851293215212797937904295275381475413179111996324302078619768679100289030694952745539467852279623089613393820823718965288416476374662013441072897408945756628903298721936719714273828177295193351520378542786965711592404868877540641495982152770383403548919595659961113839008373418767210392469500260376293423530624857596914797793060429915265495550830246391302252663086512529439294272565228934597229518783389104317573425892432653994069715286209848992548799839173808539070014712664217756740484931357395627063276748585768081091725180801754855681915541322202539898690435000308269783998530790217531775527367680280895339433557505879488669224129834375451939109763181422452454338418800723993910770241233366785408266017362513872803998899806970671969885820658778167550366412674231604184486290634677674983629291537058741871159638413587396732566972008454571469438946536683910782906164757156277718948996561313965620408040485850059187399136504943286785993520122373965214678701798048354690743707773601293901133489443212993068860091584594229465213502018572953316901343717616358248318901857225016583163875738274236810012303619913302952375470147402571225280940594990397790905782516207116261840931432415885720347865988147564016279017270732057820541179334847046812675270843602662199687467841775128322966565050231194281083458881009529036926869427243700248422378888483822617986810433918346065173363144300566121272108734535407963362016123514614574774618147802081419690284448496462792180172098980422309601398368599903584602496897867039111195128732706996127285729678063654057371518075432163824426330356534412323301323325103589551553517833281761264632330681207462692443497242904024722806653986301055681393505251254500594496069601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 51 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825743 --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":1100000009060825743},"decimal":true,"detail":2}}'