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 #1100000009071048584 570 digits created 2026-08-10

Value

125807749564429160874108060100590561430278898435174361147687157161715333702372998189263593342473959051781758866911105234300522705922972689143358978426070272261617744315558861640047277114290749849989371308059288860544403152041557907422200096194499865373077084751295613747865456206567229087228824869116959326243163683554970835770455888763378068465673443753878816801668428103453538946653964293451402970095038575611758759614780535125479179361029621931326747667840455138098758307682796485129760399351567114842548718553611595783859492737480771721023062323676058166784634299569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 161 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 161 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071048584 --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":1100000009071048584},"decimal":true,"detail":2}}'