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 #1100000009054271263 1,440 digits created 2026-08-07

Value

208857045146681691653488506837216981194612397250003081465736325200212251039357719013642976853549578710242504636709104547246639889091114879439680304479318872130467432762595140256517856548038063288595488227487321693806367986988383367147886173251430049499795526243876483182154501402643176201316814947318131114471024836699634805922481898640278307646475006093279595858703332230381361330818703889403520341539419996920760637628280012625651579388480688684996163957993870151194439880511127043858199434065527551984503595310035486078182742215032285113420397520848331686365705555426353217045302318675681226357915248158460297740175855157828131583095325286817768008322688707885740629261292341125833024630721544622828793536433540903303295727720581863217202099950816917561940487837995578620035726756853731457983822120213953453183323296307825482399735355711821490675717499343241813793897668154955824996027630413435594171183768118210303378328402435152537578147378703460185918853312563752656417935142740876941399333316329623649129785505545868188876848720980363950890986064103579037056827134860136658944984420420340998200568172366312518157601551040614974297685944172599311065141027683499334523444060045298469198856419440247725680229959475913800609471065571850982615573021494970394095375145063172841438824433896535918007033354153788817929136572803290019417037482636458046330384074473888812038445875954269164899019055809417953156185994722124424741659422368468697
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 89 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054271263 --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":1100000009054271263},"decimal":true,"detail":2}}'