factordbrpc · fdb
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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 #1100000009018953973 688 digits created 2026-07-29

Value

8332761813273729430943836863838590715847550273518243395499591278046975570362095304444066090800394403803581912118640569500495945515042699745546505192566114284349355118414649637077691732092811474756659094003491780999055933328448355708497221902588571579204454118363571281249551019914174822631444109647915193240134429349365708947605038472996325965599002438796227329553581842144579777144372197955599615619305475064493452852445184049479971653181337380603434030675442259578202239283955408483859495174969438788015156255077653570707851193571992459515406247415641926881281152581230727469714883294221664501591469991591486511545495642768097537570382905347273504934702881710412228821983205394790440749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,055-digit prime (92 intermediate primes).

Certified number1,055-digit prime
Certificatedownload
Certificate chainshow step 36 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018953973 --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":1100000009018953973},"decimal":true,"detail":2}}'