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 #1100000009023487205 397 digits created 2026-07-30

Value

2789343212370979849319313357213940001409488716099021663206849248477272702855765057779734363546561243073271933910983236537493418142096564986072019541443126143540196818836461127218109166479402369666813493658251467043106786813597591689117922561459880549612725095478588694845482220500177127643208551314551734684948111329152045327995566226524870125884509821758322196564276016699875513508761475873204273
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,170-digit prime (98 intermediate primes).

Certified number1,170-digit prime
Certificatedownload
Certificate chainshow step 71 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023487205 --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":1100000009023487205},"decimal":true,"detail":2}}'