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 #1100000009028769954 454 digits created 2026-07-31

Value

8742285072336594755441148041007735119780900685767850226975731329359881911945184857733988277954222118118389204498501653532325298922244314252516912881948419636228558789909331825193064841986239279500981191798183549537602050374787618003152625347333177228770521990653323197459997823179894706675777187080211107322442772922986634484745416989811310966946662213697871229030916350638553772440503859765837443761890947064835963822333968768122398694550378769302508827
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 62 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769954 --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":1100000009028769954},"decimal":true,"detail":2}}'