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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 #1100000009054177837 1,768 digits created 2026-08-07

Value

1343943221881201621719706757846654233256391184640488398442065239507616314246379100860439962965498757777437491085097499964946901335179554215048012048921539544358859495038674275739880088709652149114266147195004358195785306992771002827809470471333096345310379930096739805435446164201965176597690828328900155461846020349933766686010532604030557402394833342851275174459707731987382036577758398995408505703479403058708773653449850438170282137425432152578708455258488871768375360423207592038567293822700453334852386814665384401444164006328615030161493212387862993944587864951044998561426428277539112424679631356653360512529190671775184233767509784916495276176025503876697504827048382486391055009648344710941489348374863617327903658046670110516046533161989272746949607892067590579580672292969170562723402032955171325397837297112041919361507270933699125601827413941809520374400528282235483962607492595636550251376112919543944730605492024764893843899110967400704934079951991241991258735318346737884428588843738038043762125480909172763649385374110290407177289878585203000105695045440468470542354448768907451351413016389881078182745997870682796171536961296322443076266447468751036940516503265270402979549924815718878794058990179303105744902337030393757317458553153070118904624214661393433094935868134521466458505219840385255676020430568764194686971773201981291147309103470357642857234374637360632641855078516991675142857655059113091872076695408654812359895528540188294899980864232759101512657599117444321977973089801732968531913194851583755753784764210078609284703178839087149838141763384126517667809553122750053385219045772767893040695602328884320141079269857132364631622359664659047509978977823272406279281414954991705193861492756269860021394550512747241410927543703291550252507
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,858-digit prime (208 intermediate primes).

Certified number2,858-digit prime
Certificatedownload
Certificate chainshow step 80 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054177837 --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":1100000009054177837},"decimal":true,"detail":2}}'