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 #1100000009040652889 391 digits created 2026-08-03

Value

1622534337764802975517247716767603564575669591283508664534714937649044191348757531702620723190412342858978767181823168140494916992646010500621630956424473767070249470259124271752286318020711065048940862429880351611963511485545718738702808227639474520724969901567406750891843260307754332512943915077489409926488235944227713663742711561530593904888278584887795366374799861435274374845040272193
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 1,276-digit prime (103 intermediate primes).

Certified number1,276-digit prime
Certificatedownload
Certificate chainshow step 76 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040652889 --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":1100000009040652889},"decimal":true,"detail":2}}'