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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 #1100000009053480603 2,234 digits created 2026-08-07

Value

76310215785981165681793702167002106312662047780292525502360291869857893119564039324563290033953909246509228253948074226775929509462255834658829692595995881198525946455902635420935403789804238213178716160004585169585133980280475982805005272710825568541948679925062901426280533832038367290505820503410156389751708711645388407575563263134900686133779439081228146530286202943137751170454826936706900706770482634938155713968492291974076608088371047538911291820273972311146446741418155902093451811183492992418776388468775735621513256473822562211007844199537995553908310253449102696740168522117600059641050571064564434012779874089270105768576737018725983120597360792385097042978864558366567190494596663335580167579120174535781817432222582226584768688984402671732212533176526676336987668966270261576595204847405648094624491634414159004071176256118219471303180087643813273694756360766937934812143939821012865885681976197130605168321396394478822547589669929320061410955994856867654448609809130198902300434467521598663505603446264036654990418752902563724706922968430110703959069736641726947832350704933407362114710031272460026873156794884666479084676015732801995343958940846524343550789152071486579125357811516730631906560246356885075931035521686704157741147364008352905546609061519055230498870610732494487043548874130508158578510153637348872631666078567759129732942365865362289623864855048107040206916608740921637571052560904494926156893755246771044499194139994323650604841441900948954407746808721045282244735789787120913551844525922998310601124489622862103421954257002985182132138599405533057984353487504640327343654744497820192561737258551520651741501336433732879067259719841012427135696229633159665191929445241520691655243683316801607127748888768739162840266895203998180069661192295625796795615176879920976457548189533001864365909129470195378547647029765344863030708777800797678893269643401275582911492865343306738819019572913915317117468469964833722487722375985749894857417433574021830854879710798178480928066262724606436771650937887136971233047361319224854797739220463468075940921733880521418517158275332696002437045362605556993786308326625938418080831705648885219478204323232619445355221339987744374996099979875208395289084523306213478093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 5 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053480603 --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":1100000009053480603},"decimal":true,"detail":2}}'