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 #1100000009057798489 649 digits created 2026-08-08

Value

2327817577365570656201319633420571873110844549175407276424881905136302919870960116727466183348497181160661973432294924437480716289088627649637530169874382116091293786025679752388453384513079028277565423539239033795708620195907388987842629971768219236765401115350658582190090033084848080074901712175346971641918356920350061884809018526576403189854626665732369019296181458744079700710293953838352814869177373972484941170613916137253385517223551160458943550500982494744453527146805302158678622618554440830566000139060295417683428410121834913526009021389465747028158631426996542086581407328617123408217531871389338018653878253276139860811049191878398271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 1,673-digit prime (141 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 91 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057798489 --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":1100000009057798489},"decimal":true,"detail":2}}'