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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 #1100000004869548891 2,266 digits created 2023-10-25

Value

1312689025147246305830510637078992074218302616061971642713903692607109073650178755857051148480994351561052494399828429525957127802781090740632242627683267118209083941472826785789641860603914156503307475003165206361259853729433966407119425443923093623286698726320879486533090049553009502934766068921455463262052847947049845040260145519150687540431762253688400845349513913847562107057973318415459752957627191732805133293835637210658035801078347834176354593584236605230509222751323624802328573143186117422909262075602087132475432915006692881073458492814444031061973694029395641928625359287613491935926446021805423287574468276208824539389166933226321449541898082171323805966562710989473069188944216101245771158975964316233228923611213870840481427076254023758860220494851468319718710924639216865567288591046748348434153751172219359539455535154559198706998590248925358934899480409973139688711898008909797008365999853143614533097517887107089018417776038722159591545972358043300551852577221042972972731262315365735275079813010761774189053649095421245695101250016715212095990147382823910149865218132691948836324674176568434512222745511651178652647308671393871844228703871486887743409592178260665879340435901482392433690205920421963598878826567126554161012232914856400778497613899260351257365730708968886863075425660791449433277854095093914941529678112027660471040597088978684223914307277312007327289334503694725304770269207403431527414886840324096556865114469231768509336835151102495155501967112983502456579092792063076091702893213484930736427521557595456113922240617009029350543095407207105856822969106985742494663735900939265703525138853117289122668552905737439833219877663676210176549357304828937361562838789456385357498431339040118093322590309883331404683724976692104630968527400504218374398749446463592627878901473844299047446606761721686326015266947726608454113882954476023905883108090815909917758064288096950019475692086812190242918695054549237359370766048143443503240474403826767211426756988915553412480419667212633610384642201066091398545993657227759812023649091530463988700924805340374729005859730151615336212340705585725422362050626636892809479685950396649657003507636993990848906260473424208347297345267365975837531576203088787624963095070971387135547074442796143
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 2,658-digit prime (352 intermediate primes).

Certified number2,658-digit prime
Certificatedownload
Certificate chainshow step 41 of 352

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004869548891 --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":1100000004869548891},"decimal":true,"detail":2}}'