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 #1100000009028769799 979 digits created 2026-07-31

Value

6604236875860728128360088890522664478357267112617927295911043714276202373724099807390835118922176677923188725221782824583095602932494229994115630016617348899977941323082090272248774436035384648411677899218405187412547587379978864393540483872815164490824225263691268643750008318497754122014586739764756172892466369457337214181610148524951793894374717033906706880832985090767190585120357450656048611758757716870502249570474559673611243695815797496565936403115325117492768167179711316133348912549760366584265534817328700906685270007273387256120241892342729425412283539862493156713652446464235959164926067455845764580295916116803548785030056928759390801553016598082245562746159042827189152868004637815365011394536333761839469698510942984620362744133691375072983928563524619097346135541073178856024445408086010756355052328150048351283163920932540444769479552396729805025470869484672172739831816460034549570767932866253444479379597828536080599666134737084235735650360494870674192411339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 21 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769799 --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":1100000009028769799},"decimal":true,"detail":2}}'