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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 #1100000009075638004 2,843 digits created 2026-08-11

Value

15191489826337106621498799229912825665386729818991955313626674420784466870596760643299923219319224472711364433508602374077451064345487771638653501587985962219848244890316743192072352059503233609738105583304548261622225307680091242122427467354769279658750436055675042772298363905748020112015557717020190054691237489940100133054469797277115443591136367023860856755589050138815501870681050149739942526821976852335444245611381861611507220571734658184043628857891995546353796985260473770284826162577713355741003360841607289971938622472317295918357659700132889213667943750256265731521611292309365003463708290890544323305911331392063574339315804873434097867089347483969144241029255313786331352658744498826320074082316651228979782705785512683449189652346896491256883884427239198348329008564284684610325726274126622638039636844107080685017283319830678288616278762606237538031540252619917108272294504804100641077478287228576504584509244622105169960409438112917102657505087340293580305393680927912740862375165753219669225683631929497835942704512056120392899514240054005219746922111024331865374830581734403080316844340445066364784962382938014456376194128810840336026357775416935320236875564119570122283730180322779125916628296295190023974920375443296841423635674730306208800479550724237839034538733000602752077216010693247874246903444492308564102330939990459413717429775125232598902557069168948335322175626724710122613295027709190038213390664818279175378082421950506919007029658083610071034696778859452628610848777545268101803331958233507535212897474089434359731142620290550605365606642177652613287831725119211685598331802679536496993148759804287885402070130373670391310235149054986896932230794721667995652710102704406273156684602697635116391215736069415603543463217579244115599972260953013860861498529841052509531755843078197332150766963168784951936702589335293435303367245217663276624633050126701244093961263918160816277211670081457077930031335072851993684718735861976297962025075516137215592793528082458964426700267587047663646136661303374363966692114753647116632038389057868180586951161387380053810975708270746318673957979543361359286786146448228879951845450852889586790549569056649407466991059204871836449895002210064735758493332720358513780123373189419063782305516908442207137815404985304178878537670506239124838828055133825554420131815586915830112881077624208269755333176532519581427483479986069021936207881491477684699224020452648871144903098290231279204947969467073326149038576125300970318757455371131609724894564198977990201828705295390410515241409989982795092624246387904500575657791031725410186514068990933056502687981643207515393897941331759188103379862286253670751318581856959654628419784245896032148308736710370936352387696885484161152863468498970669409583051175496306003739656615995985159827736092194400714305235998302836854190239854242813
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,941-digit prime (216 intermediate primes).

Certified number2,941-digit prime
Certificatedownload
Certificate chainshow step 9 of 216

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075638004 --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":1100000009075638004},"decimal":true,"detail":2}}'