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 #1100000009072282985 1,321 digits created 2026-08-11

Value

1897566262083423951839522899737227547239369034887983032169580058228290292788962174788542193113077041674220947732021429995493914261629647461380919299738338068109584831492928041099419431508970817918288386137843999673824096585661559164146523087811539562470400034268242247574811997598127539170395384246482058396250444440764043885895772867899729225109813108028303213102250727385932725381635817022866425603959915216019275427526048172253081018990341864564659880544117898320063466223355134971075871067362735227085357970812832457989169790202650959711182232786488870650320983969983249762389956448157132912037079718137629073414613838585119723638678875763033811801060288100339964579110444146266376973564142976334653340976314599449042229391850634946388925018720070994212628401821390193457608146063364338416147647070513645560168100519210298654771935959632579090959027369301836952149703605612949201060893941979652378782488944290452137801619592534225978956761716320383751980240621050160449865246055088802648179362592849984953217693388761583941681825678290165825569640308064392997890850321466676747921099969641408494140972243252829806472160872269459437973163634021247698433865198698789461000949513709602830515444679082402819892516988383993391825563883634237605043735458963684543734124159866200497110758549241716589665308393422238661260361
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,113-digit prime (172 intermediate primes).

Certified number2,113-digit prime
Certificatedownload
Certificate chainshow step 67 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072282985 --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":1100000009072282985},"decimal":true,"detail":2}}'