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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 #1100000009044574395 661 digits created 2026-08-04

Value

2765560861959834077805148067509450451447977072806304205132486581263058153246325621605495183391362417712499771683027578563356554963521042862275362760813598690688180364746248618299608271011883205036266498745883425932325313767259601656305800593194852371562464908631008253181561144017634474492012414777280083014849871719071959351301605084358957339141665257428236645839863813355613547057348459418676858242784637979055581924920033195407489250722867516498547354738419007986084551693153123969152045924977261810862154138942724084248497350094749436292754323197685305421624271495927495391540199895220443933374076129502816191847763658295611731700881891390665361186113741311
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,402-digit prime (114 intermediate primes).

Certified number1,402-digit prime
Certificatedownload
Certificate chainshow step 62 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044574395 --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":1100000009044574395},"decimal":true,"detail":2}}'