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 #1100000009080478003 1,125 digits created 2026-08-13

Value

200911356363939240923502969926807813627301199577803499189972921885925122516564924881756407968710231629259408756100417812127960839675590720700116656273614139316962061439213838980180198231817048605829238948427246287228452972806835968562271085175046373944121707710791058539058351998922557804924573393159884010784194157182766369150711946863641644100953272441210304966152695935308446296669747548964101743082660272070419398464913365044895746670048897036435465883870088692519571681492813692196344565381321471213570160930322592608564356141240942178026513823643546036391689291575439360429148213572844060792248606196012614861246394004742965158248962353760098421444168727308383363622275137868080577226080325685782176959493466848523245382294561296966474410366083477181299071499821307303752121767246682770914447354034976230362816834787135928090370573634248040830574552214770053664751698983746285800901802855343667576156462856285556889428162967374988843897107346627926216897497338016455362883485517456719655232504760229145388044130025172275925585473713053075587718975918105514581147741740184969860052868165131340034214798045457459444505793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 64 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080478003 --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":1100000009080478003},"decimal":true,"detail":2}}'