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 #1100000009019236566 345 digits created 2026-07-29

Value

277691063538740501415946044791201952262542734481253584664525152552200511964762050345063271108267912619098439656083026161983627891819526417404780282516708993182869812828986034707850693087602174689206889857914965135886929813785578371226002165677040401562103261437872189635510847898336532077576763157723839104139474445021839296565315376272591464703
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,090-digit prime (99 intermediate primes).

Certified number1,090-digit prime
Certificatedownload
Certificate chainshow step 70 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019236566 --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":1100000009019236566},"decimal":true,"detail":2}}'