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 #1100000009059913976 683 digits created 2026-08-09

Value

21867776482877925336782393346990514104942565744860919537575407688333996727061014936182930188142281510544069392000537281123426572621310849224658487306117293853877392424409124845195571738999199494867233541457510346904580590705668041659032689023740936928536509656188920018430495448151314364696712569681550046988932985010318585216614198097541292589522019653606588950576968677409166357654059356758091682258160642440062226457714576816282119641920617610414242018670397432202563773640912806711467492323654785736265099372251997193379318751991422243910776547120441292344219732744887663245155417116920398443381539528840557846680466595592550033733915351689876071059933114464647102754830353815151
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 130 of the certificate chain of a 2,367-digit prime (174 intermediate primes).

Certified number2,367-digit prime
Certificatedownload
Certificate chainshow step 130 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059913976 --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":1100000009059913976},"decimal":true,"detail":2}}'