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 #1100000009044563775 1,353 digits created 2026-08-04

Value

890211402517803279896347557543489788080498153491217566379595023262948305965773603471491888191746558022437934186181451402063129815053761527512287513456267566732625186497515185077535385078190097013420555063445716935614004079844508232092021709617134544177397462608136315594034678849884916587645195204927410393088688230805468042870732919500955174318909678963021433568133984606117305878353861770109776896506006778196410018685796386460813501858860905665942062514020425949619502003228632070479240374371444664184281465425971597242526688418354580336209604964199123034306549201834695064664062232394757822498589658739859728430729175802464328681251834043123466735197323993924498750084380302161148912682572324438176673791131662665668872071905626612633921876183986761902906515835887743046833531672781299366814755830861515620610409845706484992164383650821381108266348032148408816782464766828578733438487689764641279695553691840607233950178386310349099399712419533276168925238300834908576481802184982171133277333078949249788777217700578770175524157077093353886555301972193428738547845129827551635064028538083051897522018964494759070211375350438709252031507067458029546940064111303745068661049139609051455014298424947015068423687506690536832032550720564163811994968181228579383714871058615921703043768426842470090234618713018442986550450510963265441799984848516793336763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 5 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044563775 --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":1100000009044563775},"decimal":true,"detail":2}}'