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 #1100000009043221756 1,068 digits created 2026-08-03

Value

246970310737716032806360498085392372733011605147119021454944323938775988344457388837953352805981551444424750134150981363779395021020145038887375021680390469077265269179385897139397944059062630857112381032837039208969694568281323421826815637047025958950564777843033738873024640728392855794345733297721827035673785176559266644096104116934455561674110750356897285063036665124085739657939869073272040346042012809139314270104908355998597542654540919850208733822752681034371521225144307180893877545359547675659376308005070707367620097348908423409528578972765385638112014831234554495415775141659136183688385362821511729683290029307694477283895727043230185721703814703898556061895419316127459980079203733636282555985991784498046377220480721946834861844549992081543151218027356235862116361233752663298295528642441723207951987752804871825817675919501100516439777665553986830094962383001406055689685345592646317596897747724610057913678112805684918725004063670213969429039529219601048974175842034835241902068150461325402147086711854727519472667370897651756510539264526420198219417
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,351-digit prime (104 intermediate primes).

Certified number1,351-digit prime
Certificatedownload
Certificate chainshow step 24 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043221756 --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":1100000009043221756},"decimal":true,"detail":2}}'