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 #1100000009019844419 306 digits created 2026-07-30

Value

805161734425489141966674139746493296097331800395178589291945506693186173613193741728441054741186456499855222710577718928934468736660504497860304632130381993532147003533897334247746459438510415434864744906210668359399636871909639491065227798083024983590604009920498267052049379951566539057273802581184940861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,123-digit prime (98 intermediate primes).

Certified number1,123-digit prime
Certificatedownload
Certificate chainshow step 72 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019844419 --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":1100000009019844419},"decimal":true,"detail":2}}'