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 #1100000009053848571 785 digits created 2026-08-07

Value

10372258649204351277118124566144564630154370508034642940102613079091595267043604307013776708388982877044269137693069062180277015706041315478235402091073134347775021426798335138673817612750841194390231028205502615027216621201109543728278066697332744673297243764022900154262966765386838105294609781325021514839349299275467651223234962783913044454842667595395681213843371012463184175156733372165614927754004447322435016504651439182687262141533429856105155015082513145916315309176098867824947642038867545664954385109332832975838861285193650476750950687677398693562149057744851712794974109921367100908787721304190456441769622760626114834801026961473998607264951756953109740002401131802095297881405773681087205292630791048869137802846813625282178205410963070632913197623912657934511935928909
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,611-digit prime (135 intermediate primes).

Certified number1,611-digit prime
Certificatedownload
Certificate chainshow step 71 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053848571 --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":1100000009053848571},"decimal":true,"detail":2}}'