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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 #1100000009053430842 1,265 digits created 2026-08-07

Value

69199538415296958212402552926770801422829714474020412233989519689377950151919476941270583294302567074514959277396530107910776405262961047746353164300148303948093301512237215938345420558423026845805259704514470906185290925529122653170771988896133637686149723631082093416222872963585437914958482141124746999533957265402833011327773509279481127049713853894438653097728558977552821702582961062944910231515033386773114535337789205044297506651264903395440235871775594982269296805235166578558722450561560282704123482601579850241153363651756863055958163211515850495233852803346680211986417469888372168148762527863514329715090906336552652777217647288262136617963989623010880098561255339203959625168078737704106507085553427973397915506964460190359145282051244231546394627475630083858509801069807428088788105570959589060320641886360662467673647865584574302616402509798504481082510657452706648169524752415293288054679981536634325744877255094399533137073729747183561818197050408358108730674148832735082263449278396790243544989075279903526288062713141899073387785539033865883173910227236665316467277382087181046790487299232392891889172922833662814789668736287072015882767030778966855595239171680169444237664817172200681091264457234533108519165063758966670924116575075955322526969
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,400-digit prime (183 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 93 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053430842 --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":1100000009053430842},"decimal":true,"detail":2}}'