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 #1100000009053517259 902 digits created 2026-08-07

Value

16131261562330002844428914445258216947657695318663484725626098672093559315484570624319123066412501857891421219425684336250578628795971656212668647202293149939989931484218827611272879960927541525231483844550373841296014640083470893145505915084979738554521862211597808696253580967942665985540186203609483983078519002688017649335628790035615175074154488294649167817228205792245648491298050885828691427068823757269692844870445210503643850574684055739277031704159281546257190050957392983905979277202128260194363287667011532597421609129043271109815458463572872751574006185665647524542825010089297451144240088831625559870885949217401316406441553391047922310170868608040314212338784559036254298397752393508356590171498347782341010473184378665471758166108550957413015265493758074625277076728347300308799562118313624535272407342474448958147765053279407763267500450468851780478202465528791724304371837623784400041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 1,604-digit prime (121 intermediate primes).

Certified number1,604-digit prime
Certificatedownload
Certificate chainshow step 59 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053517259 --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":1100000009053517259},"decimal":true,"detail":2}}'