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 #1100000009079648431 340 digits created 2026-08-12

Value

1741970823144087886332942850614622160937800562381000331678575095048472005997167244750714621217124119729827508320540981912236214837934792784602364755241970621626682821798817412762361112619078937235889079988327966683331280720367747755816286209280868924238714666835934613352197851805316338571096572096141118099303748403136107093479095690320519
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 1,904-digit prime (149 intermediate primes).

Certified number1,904-digit prime
Certificatedownload
Certificate chainshow step 126 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079648431 --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":1100000009079648431},"decimal":true,"detail":2}}'