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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 #1100000009127082270 2,501 digits created 2026-09-01

Value

92612922536182991572854186023383664315426074464199380769908385916627922189632960486852136080831040857826917426414768461640642523550380503461901902875058353575363563665366542901349038483063987461200630334116241599692291198383011487210948803316004512560256204518026325480947054389548869137651884009061882832172604523566919252904567082681137011121457211352683299476865178607210246867115555596190269577506342262978779942049529358633763292283788756739011280323131808335238785373579356936020926735808241231955975184855321413687363180651919307845741737867997286196788938548555068398537209771435401623380682997199292942630615297720018346634588981306862889297293779825769371531786976321526522664079519959369376901362779604684033367452957906571412129470928956283891110239020152101573262335032023728025501013550899469602092757373976565646034101014988106992884474387724098037390673066895615737595192771773050695243636327654598804884140670142014618700361221163004867374121067007127981813124422653332288234263506012473197522333494569139479775585097088356557735141148620988348480287624075660531159438069086485379707933546932102704165731456489019347602135467387537544933776344547664368726122670348625768342486523021537068586028515810103760213076517274602897306778418914065578782155331830679347690338592277963795139859312252866202392236569085543631738611071366761738026910010028059842054052725830574518128441010796981932932648119818966147165078473335684737180028286459312716901284366644564896714743062623139412979190891442806511935262226918537630461431439055564075220956131927283966035969707351356058273629472328846547605879381787652876105893504882732393519359435205354082434644455975029006225797779650832373510143266232026626842135127542974876693730367605152526669850914646266677666677697699158008854336860265872868349780481834429460927043341157322433977324472231604284764472505887847166760373901880414301041515156532298884115816265347316426754674523263929328225848249539832026910436080183603270415242659814165430266054556163910328547703945235080261615529392191625581189937546073136907422510895249510486381799145047705464965977218142427101162323372276923578441002189550541820878213370266952636704868326695353305032098098802386910574153784759004053788723768282934489884973279833338823129275893398375713169316121643860702539740733226684323511414396014525984931744252803264498982393740374607953943772643088394778613580315041031797717749865674830975513829958356750889578755938141532752998798311973821131459857787286306437
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 3,127-digit prime (318 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 59 of 318

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127082270 --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":1100000009127082270},"decimal":true,"detail":2}}'