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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 #1100000009080586660 1,884 digits created 2026-08-13

Value

111338319897396024036699649242983828947027262117559899553415873620940012275162329589854157856038818641547782919844054173241998157144993984095683575637818271035938717226119744324640442096162330793684605254308137716370625586723074253085496706267756148052757892614047924589107180512883507075532338948307558558005939970108815399274516849044789630122398681354645796660330281916764706445774130603525318564793568357214071837675891520539815759071822701891462230083202695884470486700233762234231344376594331547293955644646569346039542877778214593985413964806184991188215355849438754519488766133806581948661398756029841867525707806281055836822064505997569981034897549502501790545426869718528716108639753076231853639076253702104974518323002207468268160294877851122699443791891057878712647500892077226963711708670731136148308098193165949558555066013336541708620520272445999074715185270743946099363020891416434890464380659103173331699297547518091787212370067327464608682894929699538348557403806877982833656440459668201385436550938240408969017151514814052549385363660305471514855661463513172219501243123831878628743137110044055853538303830260615873801887798136090840737527898929604871849558244244183879708107123260372356011125285375877283805854165057394602178694402219514514572063463011253854256691643572996867473692937707576291429826648851871155889216873835480973851662394365206275330023068604394370692255325440875620764518524526606669411876028132364837513961866735441498677106504920403140436544119036034779917876832974340461811118030142196416422025067662073310896020140632361781316387089691585334155596116273695757814039042257700970980648274105359726747750552077076105233564690554329901393143396189526080733448788752900433313505626162066019981861157732535817316739489372849016269096854221667145681027666287754236055801714327920053099629293952040131992150595049552590484603919258285113035478732257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,179-digit prime (183 intermediate primes).

Certified number2,179-digit prime
Certificatedownload
Certificate chainshow step 28 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080586660 --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":1100000009080586660},"decimal":true,"detail":2}}'