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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 #1100000008549031200 1,103 digits created 2025-11-28

Value

56341711175655468083670449262392552048648843659230302763839586703957232083933583001711474815875667068926623696004876442994963159481380690844743109770954080693494276614173187226943466262313776243444203740618331423963392143283506020076570886315442766730342508866421562715053881548884319161083181465842549839432633950386579160456081745074626284513027460818935758393269783009134327337351609594427601375204131610473983276779359825112582297277103466968938071467737912109032973604072903722294603822239148527055987921750546974158229850416163727405290829175315313459924456222438273949937868738614566704989446889726701410969611056483849364649553673798984282779941361480885185312200630033856451927517366747874066035849089118030113224379934300300048096915329113580458198278831512619756755468481303454025629875146117797004669822800103820757328031650312139675612480824724784082813046177109939012726339581816967803768109596449527828983443288622305924679550353055726147586553489144655516413446268027694143219992533609657902338186232658621957118701399660844431934205928496506363630862235666023265376501126619190289583721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,044-digit prime (211 intermediate primes).

Certified number2,044-digit prime
Certificatedownload
Certificate chainshow step 91 of 211

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008549031200 --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":1100000008549031200},"decimal":true,"detail":2}}'