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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 #1100000009123069391 1,033 digits created 2026-08-30

Value

4800694625395427493519973986609501516448518470698950765636645446247313100820185904243839572419131811565501125263864687505631163230193814509948912274673129348569336826690227180071316010341236360174702700128700628959033159891130365287140676020256191748259626532491209372792470032502857035965523215047765637935459975036199311129928157061157390897147508846132818325166886839610211359253264182472396861032078785832061185549130910927845929415805877645439261824547397419029523465172522773855036244460264322036937047479165315972463115912477735785729754134443744175628504701579237500675902471971774224828223470585813472755578765497563858835528944763552615144455888574464440763381463673511454179800146631740534747492400955912371542178433136615294841053491675052963762118264508785445346152014281775454409894884095834992800301228770560651427751022096540735936266101464602195346568138363918669713936000052900437340052935916026521390700683704253586345838914406589752082954837217384675670478112439510551342563444370423350687130641223905259868879249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 201 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 201 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123069391 --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":1100000009123069391},"decimal":true,"detail":2}}'