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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 #1100000009043400464 1,158 digits created 2026-08-03

Value

422941363342577136541611654663383824963506721334330640775027383015704092917216462222878730843798306147513150821611560986669602151163219526901666992229249205666997664570068810392813741436235407284677428962472949859627383228031898479092673716880291366338215956413642640244673183234735233763008522571629060454634700361120268691128838461972971636038959323118687320251707648488852123115052596346087784737621637125077102146919510899089712506819524246363064542548317387475594509093451464990570914345536722936243914882586615496496054804483257709988030018645486963412449762799699148341416375818165156449304184731645777995873831385379135433232634839817097251196649774286901822088523341169200706099825471656315151908445485001294543295682835036000179343494399256074372256486120686006091274360116752335966437412775596082239904706945205608989991357381480795341070700505204853389502426005082434637103647612090943078657623508685407864650033774040589030624378033562118743663538462086681609756125357928138584530564041312763513583730887325014611170675186420380754621591776015597579549398127097569122674613943506473030482443031546947277936023111757960168360915018097710031579669
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 19 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400464 --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":1100000009043400464},"decimal":true,"detail":2}}'