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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 #1100000009130350280 2,110 digits created 2026-09-02

Value

3531915911465067621222057308566205809994126955673296028538493457725797371114894674589821828406757537026362065468452535615166314873865670884247698838685350535557021802914889952441895187200611653512856156955988232960220846952961721097697775247867936275392393076018081132470048895355641423704423034962651624932960839012399143825036056334000640357126268137014476725548414874386719859325002274455526067789423934705273725571771364045583638123253650432897745677528772415312684191852864451643136635881245687167241292423890290889047373736436857639761189639136378992760918371957954840198301682752716453983920239923472127069913781617042797862777191928382092903116070933773007926317148586226196064068284611979511157005389314163622761432967190457635001037723562588709482262071608311595516173437892382579568349937319821139447155902980460858473226508434963019421871422137355513120419447602392192718419738310643548627753973961260915458325163773274778600841807233013927085287339729966687764763976125163201792139962492039131269537788300244104463050047204006932187513975928014182255323001843852586057404896481604959663240517110329719999124087581227476017336629992817436446987555441349068067200893302611889946398571888075092176648482368631294593231124326509157289723404557640018757017351542481161235302301634106237422068602954459588601175620334266622460219287729489136912176768982085621541981032822663364354296862703120852199055465354973801534375610300063067903265409070372623814342333118153241983924970887075629750047762125361802624326938704032683300778215141268995026885532035852416508921707141358827280397984754990091344110842099522882257099300409024783403592467053032619170656489334385514516976138327598174764409384658443442426737237737344654545338399987096593608068091322517739483942441850290299328918406623194713055716598969970987263826342012646976087554458880621631623894836781614151237845699929952708035455591038620239496319923014495671070722312913206528947185540688120333963781726667126213518822484013888436147627941720236208994849774192501599652481216216128738299393855846515996700148787436772080659369334510880945797489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 65 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350280 --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":1100000009130350280},"decimal":true,"detail":2}}'