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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 #1100000009047821147 1,115 digits created 2026-08-05

Value

68436927360693612730675730844972409014309879625183066220538481431455124864693320300190713994099021464898789370260994453609768627726537927010660708661439008006450316952324316825035238970435087170423431446259904874779226638532332504465518639982933850695896190490813531630609967593438749849949274101265977512372610560616656072901017937900899931930243129409253924460114152767829205387277938556355596141448571322091291333168915441536975168750000441251072077127754940824997030768353039960824176474142417555383719364073306384121402187358783379330054739212360794379888127469750785154819678424281195324933972409113717569637207296674211090559475379820081540799361747371439161048160671723930243535728095891314667036898518525839443390829061236676754099072523867213535210949236603078701198651999805165783556990311706036755552548991729968397051868405237700958162676501201005113123202818028875317153596668421814200811902058920862827860084800258117734293731208834182460984524438834158026962137022349680970146740347392275746119622812118593418078599054151263532177854799312649970269867944006780402526311889734290898286623774450675079
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 31 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821147 --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":1100000009047821147},"decimal":true,"detail":2}}'