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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 #1100000009054543946 2,383 digits created 2026-08-07

Value

1934636730662002696021326091543024355067685483516196075399507359807848233401076441761307649948816965274811114949405562070462453010431577062007085268040452322843854711459794533377421465435420521372263092943228385943883344560064412684986453987326659091726266268063026232528999352968544109857767267490817711791566369702273913934650130167384083934798148765485712851051666749710177283184105741108511432749013515516760036937350770850516933721633654855715728316663608891979304320214217034349260506618767886802443054045888505250619877573561784444385294648124472129975646854010778671649486294609949291871062831252079463168663219056644950705636078988355142754151943103207160292818353953427474978365469661222075962197759166298459066068596946949612168713934564745874847666544408997122118171645252941953786305143483401466641948522710681481985414442145045285503427264524714369310939483093659737329407012258411426759421349738869955205062972996903224276125878191537976192078301911910026510125382634328235877297976194828771890753161686827192545791497437018373001529786273823812964924840768683571501850139948752852069005149879253596324016890325393095452478384100627310985015992536912613431795555647166146819158646555000825380333241417570074590560131904567273339082094523309068564126206372715560234257263010145584094695710774048285733438086762251684914014105356759636284456350225700847538871310003545428330806943083183404706530332119507814041787582079627928383702864888096707943612842513781493446751791830681270337248119778465310774606138711997650397972949367718060064641507914574015990081478345168680851821973775631035585878407305023586548845189274321803755846479534736595347123324983388712873675693151162126233454357783747040210459464077553762098331222960937014385022835404820444717104575952988572487318750544898072447625005094348146860157975599330101900841636261093317856462692628813755134892449582689187376470352790102415594847065278009165219617844094979963600626183367018148571435006980758874169108926982437067929243159863282556490144861498046181105983880320428481929829932777554994375976795723162571670820489356277016276648710897820336723595388942591984956044862669770361916071933921708090145845424083260667361682563977254064410612443342508960370415815996328214966051189478673886114982117807547584489344514386520668256338834224282307631595204081041906084736423410902129908786026287168544167659733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,519-digit prime (183 intermediate primes).

Certified number2,519-digit prime
Certificatedownload
Certificate chainshow step 9 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054543946 --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":1100000009054543946},"decimal":true,"detail":2}}'