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 #1100000009019029678 355 digits created 2026-07-29

Value

5256789738088054530107639271005336930678292175693551911135997696998306309534190537455050142863916990161886454630445155059918025811811665889817998783947237841170236076048356053708955335017199236825168864311239583424314206486120726833114735933132080138434642713591065093795407323525961486050595006767612700558662259083659680205196905191440168614638764038629
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,074-digit prime (89 intermediate primes).

Certified number1,074-digit prime
Certificatedownload
Certificate chainshow step 62 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019029678 --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":1100000009019029678},"decimal":true,"detail":2}}'