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 #1100000009044564509 641 digits created 2026-08-04

Value

56425616719045203925348457689118277588056161872949072393130441404984291098449136767805315697878463395597705040762900403502914617120499374960879214033708883783371692656874047248792243260351333923624266276801821115356137717218313590779578195520151255219880845413131405977200075655371623234462589408061025809405195385058030522791312657733536899446312892723427446401811874435498403257327783963848634938974113213455981939357039627437778725562935608452627871837067374063382252892653555665090789622177764011946550491757665346194311539842387389834368860168238468539927176943038080915044700935117591668352983061683248617761396075568450688431370543103
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 67 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564509 --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":1100000009044564509},"decimal":true,"detail":2}}'