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 #1100000009018917527 478 digits created 2026-07-29

Value

7556288800422444502523198538491218976910609307016070508975858523283309322689470120288062994548120562679440371611677260146856512803376575548255170749308000830126046671015365677494525309609232079455714885008048884811271607261826971899852915496590785023485300563486708954908507018847305552169092130967883539275624758683606736808781307565844236973709968347748970069475426957316960485937218829527984917812086895839235666916940559230323649152619170113511493949324650112647370692737251
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 40 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917527 --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":1100000009018917527},"decimal":true,"detail":2}}'