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 #1100000009060671440 573 digits created 2026-08-09

Value

281621517092666956270187326739455837780597942302750735476394577750290386556699572730365189872046609132225146329803004879039384704575673289287593359716492208919871982290585208740273307397422960043250443809089186433122737827118231766540541952154235126456289829557168816871715907434166802946176996678108604108068696582592196497756336428126715458907770643709561551683996671801128115632063787496791478666434621783885326540447738842005826875911204672511142451560187302535020949603640958190440746495023820863076024046080984328638672305668684889707318928229021979805304518334137979
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 153 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 153 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060671440 --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":1100000009060671440},"decimal":true,"detail":2}}'