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 #1100000009057729476 1,346 digits created 2026-08-08

Value

51427720144925547316344484330814469552183740432059088351308589302916375911936209430609024690378903470845491769212512873072851585602980380009512623313184196362715292521916642734780178069179092463007065149288583712338008394253699178313731699639790200145704902130609787626415567127694311696707896099608592359253254844933273348180084451078754418220145973896643964168353510954621570173788071608568562706658691663431607750825445811066089260432652552198783268051646361048170430152767808373747025962529219340472232574414275197784798561838357215339646059837086089140353819990564651395389760531456896478592021246362066251773916971093771773570958446870360398874393735072895655639765517464953363665595631642750900016312842527356934659753038594224023092370385372706419780059894007802447674832809779469141924737836838241968097746803627844602613369006330144642159709887225800064556848055351550189290404783445903212493637460982548282695107824947043546789086275951407070894360566481287044604608527699162910826510019129231484622216549108675081033592518916950881274458353891463308832811990503766159060806727400695526604034210096314223543629671456076658090720334747596984618885653940365185840631019355404760588289167704672168069516196263250135565451089244149121791475663604309146914475353493175032595835866750661243973584486847903372159450324734954945361660253556437
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 27 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729476 --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":1100000009057729476},"decimal":true,"detail":2}}'