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 #1100000009053809381 1,141 digits created 2026-08-07

Value

2149321136201885746450482772323239288522629979520374225701363752104244738223994036485013198308307418548125425175394726247812273061897709423107431614838195947852112427707918548803604755801509395828213602961169944916096732025098205857485124210647239163396682524208085408114083307640219485061233319953349774100068390604435066856310426339076166433333101080981635626530232884540444437760025806716720850092527015420903057598801372740239146787087528182209227074152709634671572444274525642612919926819781968314180691420991214293089163225466291040063411135017887399658859794782023685644864462019208026923923755586878257254988308318553468145497185133328662105385449579592401542425848769876559972074346538560617270013432315748230891083636201096497512311272515493723082475758635897686818498877967988423456170233066259769653462852823757631735009784551820892267961024199130863738587093126393609814178250702578457690240503807333359444311617596665616315839985533467293547675848851041039439252476001710453744537284923456297625055908495519603547846589687227945664398650514106057839647845045140023046949542253043018498738240685851506481039308354445462174669027
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 91 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053809381 --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":1100000009053809381},"decimal":true,"detail":2}}'