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 #1100000009036661947 950 digits created 2026-08-02

Value

47646252458911250950873774773975434745736773006907667304817213324455850749309180248593780388803681872672172747855727661419534052251252962102200048445820947936027102493872633977735268082802957652566124824289598296818278373360676966612079213771605053931551368105102310610245488643686761017250411793361265635427218705055057617476397994983425871306932027261944539843929638492161596935083976756972177810473798389884829462222422615465319272696405009911237342686758525834468031991526119174449271089513678072073621175455202876638331534026770943339887584003163571525985451929699355362630768998896776272288646945646411014067665370687332770634274875336042760640539902815587648788912495213465484985682823550680875836965783422627721664964971012230653546488849353865194155871166008187660298879936109994177103709728672233899069462024958397332213116882898091916084735296535203029403048951220486169180564720773668336089254221509637105159116903901994313352847563150633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,236-digit prime (102 intermediate primes).

Certified number1,236-digit prime
Certificatedownload
Certificate chainshow step 28 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036661947 --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":1100000009036661947},"decimal":true,"detail":2}}'