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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 #1100000004875353180 1,887 digits created 2023-10-25

Value

727307707399122029440397413333592408200897465955055777000808964480171751832807096232409036964938554349000811989998253701103568951991969758607493919253125937805426609430477332049384332001397257286685161987779785893073605069265169935308870730406847265519808560601161783771189923248361860655226134559538875663120392828319930506214100014899136115378969368751224688352735634988821224710729646122912598545463493385074891728864027875606076733925489742637727132422214052848800011097107531067209393396044012407060012484212719747623527060222303155118152058068668252372551627024152135833065467097585197978222192280269173599961475025108883243738949113973821163758314954790027439343271662510223240287296677696885333570950404100496133523620785773565661229268398723035061562023932963021100287945412455574858007834568141153967488308901125743526589725619886106545794733903654136993937231354371403220257117903244956015130757505510368910462931653604265776640771746598229591678117043326643220947126240860973007582630881739618487801911768865703447423391670220500914955751412696457671090248152989950463045464430665630293069930416549313898745519840669370760598970734465609870859796392513104011246833685701136636482141848632120140346142456012796444299582613718777875883441944174325805482722943116366261644382332339462486983093159827234044672544909343815167569331190980793276227061054906949915737733473540756643035839480247844442173176299145579544396905462086957839036715244816025598432425744621593616754627192271489030655931000638845590712045602484439980470518154820511303155919726246897840957200891738853827396825464497861419213604225490431511202584765810848088634006365399711706656839761612653026497973269705651776420052229625839231069983419472950422940325800255827524673859254653022877705528616760454597830675044254650905103921966562887295757115817170632678583945336901911150507777504000460777141046088850367
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,500-digit prime (336 intermediate primes).

Certified number2,500-digit prime
Certificatedownload
Certificate chainshow step 74 of 336

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875353180 --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":1100000004875353180},"decimal":true,"detail":2}}'