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 #1100000009122751827 345 digits created 2026-08-30

Value

529422657554235246730887924223529959239175936808819000958045303341932684043281811297589532813092446396593216766479937413313304945800803159149604498871370785472288657756589484863586236784233660652468989143772547685010851369242529286374236666215231580012582992867574658806644067974849174794399446204517338308404884009448389557678161179807149064551
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 199 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 199 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751827 --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":1100000009122751827},"decimal":true,"detail":2}}'