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 #1100000009028769803 967 digits created 2026-07-31

Value

8472235269668503824905327732355464015945519996798671638949963410482499719856287760485721975214330385005466807673228892405897886814765791422540249058520294104720192512989594873932971030069040259439688854066403205543064685856712995199953819245421992306718480417425176032209386620789008511010756857974571703331718501890764192674810363453831307174227899204815691172158985568576707381981384351219198191876201277725905921183347182837347914975871467798036761440089331693721089687537243999422181713160834872727073250121919884376417148092912483248049724828588972191337978574330472258083881195403439888780030506267890393738615789436819866510737108296303345988458507740274649996451637659025690381450540089009495008629707155668020616544231655434388532074611897134968218055575941631407717439172724879465938681453098764898667743489033941942699657802671520086179666172403962706452789021727913278247930823357452687250413163709802810445001862424760251292071433427240338572014859468561
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 22 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769803 --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":1100000009028769803},"decimal":true,"detail":2}}'