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 #1100000009044564476 675 digits created 2026-08-04

Value

857509929061901602563742420668054575283926590410306771610967683287484464164807645973655183141260703076308305424636949926359543793061298026455447140223802000151077008200323317907907285765169982146496548374442342065274191417554995139403605327150015562128411608627743756174317859072000913611880538865198787282463706053012054618524398135494380806526279725665751011063171344782712091772896337963629751797299418132037402187087844054585892409136878811062579087333591262425162229035982042079246723421788873739576384895058185321588194854641886216636843328035604036780487303916155481438544386303127896159015979622970916994926110995312358852757423742294679644503487459159560220569355861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 64 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564476 --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":1100000009044564476},"decimal":true,"detail":2}}'